diff --git a/Cargo.lock b/Cargo.lock
index 9bf1ea2d666..a1d5ed7eb89 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -97,9 +97,9 @@ checksum = "5c6cb57a04249c6480766f7f7cef5467412af1490f8d1e243141daddada3264f"
 
 [[package]]
 name = "alloy-chains"
-version = "0.1.34"
+version = "0.1.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8158b4878c67837e5413721cc44298e6a2d88d39203175ea025e51892a16ba4c"
+checksum = "805f7a974de5804f5c053edc6ca43b20883bdd3a733b3691200ae3a4b454a2db"
 dependencies = [
  "alloy-rlp",
  "arbitrary",
@@ -129,9 +129,9 @@ dependencies = [
 
 [[package]]
 name = "alloy-dyn-abi"
-version = "0.8.5"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b499852e1d0e9b8c6db0f24c48998e647c0d5762a01090f955106a7700e4611"
+checksum = "4004925bff5ba0a11739ae84dbb6601a981ea692f3bd45b626935ee90a6b8471"
 dependencies = [
  "alloy-json-abi",
  "alloy-primitives",
@@ -388,7 +388,7 @@ checksum = "4d0f2d905ebd295e7effec65e5f6868d153936130ae718352771de3e7d03c75c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -608,7 +608,7 @@ dependencies = [
  "proc-macro-error2",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -624,7 +624,7 @@ dependencies = [
  "proc-macro-error2",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
  "syn-solidity",
  "tiny-keccak",
 ]
@@ -640,7 +640,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
  "syn-solidity",
 ]
 
@@ -844,7 +844,7 @@ dependencies = [
  "proc-macro-error",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -1047,9 +1047,9 @@ dependencies = [
 
 [[package]]
 name = "async-stream"
-version = "0.3.6"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b5a71a6f37880a80d1d7f19efd781e4b5de42c88f0722cc13bcb6cc2cfe8476"
+checksum = "cd56dd203fef61ac097dd65721a419ddccb106b2d2b70ba60a6b529f03961a51"
 dependencies = [
  "async-stream-impl",
  "futures-core",
@@ -1058,24 +1058,24 @@ dependencies = [
 
 [[package]]
 name = "async-stream-impl"
-version = "0.3.6"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7c24de15d275a1ecfd47a380fb4d5ec9bfe0933f309ed5e705b775596a3574d"
+checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
 name = "async-trait"
-version = "0.1.83"
+version = "0.1.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "721cae7de5c34fbb2acd27e21e6d2cf7b886dce0c27388d46c4e6c47ea4318dd"
+checksum = "a27b8a3a6e1a44fa4c8baf1f653e4172e81486d4941f2237e20dc2d0cf4ddff1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -1113,14 +1113,14 @@ checksum = "3c87f3f15e7794432337fc718554eaa4dc8f04c9677a950ffe366f20a162ae42"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
 name = "autocfg"
-version = "1.4.0"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
+checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
 
 [[package]]
 name = "backon"
@@ -1221,7 +1221,7 @@ dependencies = [
  "regex",
  "rustc-hash 1.1.0",
  "shlex",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -1239,7 +1239,7 @@ dependencies = [
  "regex",
  "rustc-hash 1.1.0",
  "shlex",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -1421,7 +1421,7 @@ checksum = "240f4126219a83519bad05c9a40bfc0303921eeb571fc2d7e44c17ffac99d3f1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
  "synstructure",
 ]
 
@@ -1532,7 +1532,7 @@ checksum = "0cc8b54b395f2fcfbb3d90c47b01c7f444d94d05bdeb775811dec868ac3bbc26"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -1620,9 +1620,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.1.24"
+version = "1.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "812acba72f0a070b003d3697490d2b55b837230ae7c6c6497f05cc2ddbb8d938"
+checksum = "07b1695e2c7e8fc85310cde85aeaab7e3097f593c91d209d3f9df76c928100f0"
 dependencies = [
  "jobserver",
  "libc",
@@ -1715,9 +1715,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.5.19"
+version = "4.5.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7be5744db7978a28d9df86a214130d106a89ce49644cbc4e3f0c22c3fba30615"
+checksum = "b0956a43b323ac1afaffc053ed5c4b7c1f1800bacd1683c353aabbb752515dd3"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -1725,9 +1725,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.5.19"
+version = "4.5.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5fbc17d3ef8278f55b282b2a2e75ae6f6c7d4bb70ed3d0382375104bfafdb4b"
+checksum = "4d72166dd41634086d5803a47eb71ae740e61d84709c36f3c34110173db3961b"
 dependencies = [
  "anstream",
  "anstyle",
@@ -1744,7 +1744,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -1878,9 +1878,9 @@ dependencies = [
 
 [[package]]
 name = "const-hex"
-version = "1.13.1"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0121754e84117e65f9d90648ee6aa4882a6e63110307ab73967a4c5e7e69e586"
+checksum = "94fb8a24a26d37e1ffd45343323dc9fe6654ceea44c12f2fcb3d7ac29e610bc6"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -2195,7 +2195,7 @@ checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -2219,7 +2219,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -2230,7 +2230,7 @@ checksum = "d336a2a514f6ccccaa3e09b02d41d35330c07ddf03a62165fcec10bb561c7806"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -2350,7 +2350,7 @@ checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -2361,7 +2361,7 @@ checksum = "5f33878137e4dafd7fa914ad4e259e18a4e8e532b9617a2d0150262bf53abfce"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -2382,7 +2382,7 @@ dependencies = [
  "convert_case",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
  "unicode-xid",
 ]
 
@@ -2496,7 +2496,7 @@ checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -2642,7 +2642,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -2653,7 +2653,7 @@ checksum = "2f9ed6b3789237c8a0c1c505af1c7eb2c560df6186f01b098c3a1064ea532f38"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -3088,9 +3088,9 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "1.0.34"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1b589b4dc103969ad3cf85c950899926ec64300a1a46d76c03a6072957036f0"
+checksum = "324a1be68054ef05ad64b861cc9eaf1d623d2d8cb25b4bf2cb9cdd902b4bf253"
 dependencies = [
  "crc32fast",
  "miniz_oxide",
@@ -3209,7 +3209,7 @@ checksum = "87750cf4b7a4c0625b1529e4c543c2182106e4dedc60a2a6455e00d212c489ac"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -3616,9 +3616,9 @@ dependencies = [
 
 [[package]]
 name = "httparse"
-version = "1.9.5"
+version = "1.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d71d3574edd2771538b901e6549113b4006ece66150fb69c0fb6d9a2adae946"
+checksum = "0fcc0b4a115bf80b728eb8ea024ad5bd707b615bfed49e0665b6e0f86fd082d9"
 
 [[package]]
 name = "httpdate"
@@ -3691,9 +3691,9 @@ dependencies = [
 
 [[package]]
 name = "hyper-util"
-version = "0.1.9"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41296eb09f183ac68eec06e03cdbea2e759633d4067b2f6552fc2e009bcad08b"
+checksum = "da62f120a8a37763efb0cf8fdf264b884c7b8b9ac8660b900c8661030c00e6ba"
 dependencies = [
  "bytes",
  "futures-channel",
@@ -3704,6 +3704,7 @@ dependencies = [
  "pin-project-lite",
  "socket2 0.5.7",
  "tokio",
+ "tower 0.4.13",
  "tower-service",
  "tracing",
 ]
@@ -3732,7 +3733,7 @@ dependencies = [
  "quote",
  "serde",
  "serde_json",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -3882,7 +3883,7 @@ checksum = "1ec89e9337638ecdc08744df490b221a7399bf8d164eb52a665454e60e075ad6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -4050,7 +4051,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b23a0c8dfe501baac4adf6ebbfa6eddf8f0c07f56b058cc1288017e32397846c"
 dependencies = [
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -4106,9 +4107,9 @@ checksum = "187674a687eed5fe42285b40c6291f9a01517d415fad1c3cbc6a9f778af7fcd4"
 
 [[package]]
 name = "iri-string"
-version = "0.7.6"
+version = "0.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44bd7eced44cfe2cebc674adb2a7124a754a4b5269288d22e9f39f8fada3562d"
+checksum = "9c25163201be6ded9e686703e85532f8f852ea1f92ba625cb3c51f7fe6d07a4a"
 dependencies = [
  "memchr",
  "serde",
@@ -4204,9 +4205,9 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee"
-version = "0.24.5"
+version = "0.24.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "126b48a5acc3c52fbd5381a77898cb60e145123179588a29e7ac48f9c06e401b"
+checksum = "8fd1ead9fb95614e8dc5556d12a8681c2f6d352d0c1d3efc8708c7ccbba47bc6"
 dependencies = [
  "jsonrpsee-client-transport",
  "jsonrpsee-core",
@@ -4222,9 +4223,9 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee-client-transport"
-version = "0.24.5"
+version = "0.24.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf679a8e0e083c77997f7c4bb4ca826577105906027ae462aac70ff348d02c6a"
+checksum = "89841d4f03a14c055eb41d4f41901819573ef948e8ee0d5c86466fd286b2ce7f"
 dependencies = [
  "base64 0.22.1",
  "futures-channel",
@@ -4247,9 +4248,9 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee-core"
-version = "0.24.5"
+version = "0.24.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0e503369a76e195b65af35058add0e6900b794a4e9a9316900ddd3a87a80477"
+checksum = "ff79651479f69ada7bda604ef2acf3f1aa50755d97cc36d25ff04c2664f9d96f"
 dependencies = [
  "async-trait",
  "bytes",
@@ -4274,9 +4275,9 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee-http-client"
-version = "0.24.5"
+version = "0.24.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2c0caba4a6a8efbafeec9baa986aa22a75a96c29d3e4b0091b0098d6470efb5"
+checksum = "68ed8b301b19f4dad8ddc66ed956a70fc227def5c19b3898e0a29ce8f0edee06"
 dependencies = [
  "async-trait",
  "base64 0.22.1",
@@ -4299,22 +4300,22 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee-proc-macros"
-version = "0.24.5"
+version = "0.24.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc660a9389e2748e794a40673a4155d501f32db667757cdb80edeff0306b489b"
+checksum = "a0d4c6bec4909c966f59f52db3655c0e9d4685faae8b49185973d9d7389bb884"
 dependencies = [
  "heck",
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
 name = "jsonrpsee-server"
-version = "0.24.5"
+version = "0.24.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af6e6c9b6d975edcb443565d648b605f3e85a04ec63aa6941811a8894cc9cded"
+checksum = "ebe2198e5fd96cf2153ecc123364f699b6e2151317ea09c7bf799c43c2fe1415"
 dependencies = [
  "futures-util",
  "http",
@@ -4339,9 +4340,9 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee-types"
-version = "0.24.5"
+version = "0.24.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8fb16314327cbc94fdf7965ef7e4422509cd5597f76d137bd104eb34aeede67"
+checksum = "531e386460425e49679587871a056f2895a47dade21457324ad1262cd78ef6d9"
 dependencies = [
  "http",
  "serde",
@@ -4351,9 +4352,9 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee-wasm-client"
-version = "0.24.5"
+version = "0.24.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0da62b43702bd5640ea305d35df95da30abc878e79a7b4b01feda3beaf35d3c"
+checksum = "5a2d2206c8f04c6b79a11bd1d92d6726b6f7fd3dec57c91e07fa53e867268bbb"
 dependencies = [
  "jsonrpsee-client-transport",
  "jsonrpsee-core",
@@ -4362,9 +4363,9 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee-ws-client"
-version = "0.24.5"
+version = "0.24.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39aabf5d6c6f22da8d5b808eea1fab0736059f11fb42f71f141b14f404e5046a"
+checksum = "87bc869e143d430e748988261d19b630e8f1692074e68f1a7f0eb4c521d2fc58"
 dependencies = [
  "http",
  "jsonrpsee-client-transport",
@@ -4473,9 +4474,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.159"
+version = "0.2.158"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "561d97a539a36e26a9a5fad1ea11a3039a67714694aaa379433e580854bc3dc5"
+checksum = "d8adc4bb1803a324070e64a98ae98f38934d91957a99cfb3a43dcbc01bc56439"
 
 [[package]]
 name = "libloading"
@@ -4531,7 +4532,7 @@ checksum = "c0ff37bd590ca25063e35af745c343cb7a0271906fb7b37e4813e8f79f00268d"
 dependencies = [
  "bitflags 2.6.0",
  "libc",
- "redox_syscall 0.5.7",
+ "redox_syscall 0.5.4",
 ]
 
 [[package]]
@@ -4729,7 +4730,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "regex",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -4875,7 +4876,7 @@ dependencies = [
  "cfg-if",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -4907,9 +4908,9 @@ checksum = "1fafa6961cabd9c63bcd77a45d7e3b7f3b552b70417831fb0f56db717e72407e"
 
 [[package]]
 name = "multiaddr"
-version = "0.18.2"
+version = "0.18.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe6351f60b488e04c1d21bc69e56b89cb3f5e8f5d22557d6e8031bdfd79b6961"
+checksum = "8b852bc02a2da5feed68cd14fa50d0774b92790a5bdbfa932a813926c8472070"
 dependencies = [
  "arrayref",
  "byteorder",
@@ -4920,7 +4921,7 @@ dependencies = [
  "percent-encoding",
  "serde",
  "static_assertions",
- "unsigned-varint 0.8.0",
+ "unsigned-varint",
  "url",
 ]
 
@@ -4942,7 +4943,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "076d548d76a0e2a0d4ab471d0b1c36c577786dfc4471242035d97a12a735c492"
 dependencies = [
  "core2",
- "unsigned-varint 0.7.2",
+ "unsigned-varint",
 ]
 
 [[package]]
@@ -5122,7 +5123,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -5159,12 +5160,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.20.1"
+version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82881c4be219ab5faaf2ad5e5e5ecdff8c66bd7402ca3160975c93b24961afd1"
-dependencies = [
- "portable-atomic",
-]
+checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
 [[package]]
 name = "oorandom"
@@ -5408,7 +5406,7 @@ checksum = "1e401f977ab385c9e4e3ab30627d6f26d00e2c73eef317493c4ec6d468726cf8"
 dependencies = [
  "cfg-if",
  "libc",
- "redox_syscall 0.5.7",
+ "redox_syscall 0.5.4",
  "smallvec",
  "windows-targets 0.52.6",
 ]
@@ -5496,7 +5494,7 @@ dependencies = [
  "phf_shared",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -5525,7 +5523,7 @@ checksum = "2f38a4412a78282e09a2cf38d195ea5420d15ba0602cb375210efbc877243965"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -5552,9 +5550,9 @@ dependencies = [
 
 [[package]]
 name = "pkg-config"
-version = "0.3.31"
+version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "953ec861398dccce10c670dfeaf3ec4911ca479e9c02154b3a215178c5f566f2"
+checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
 
 [[package]]
 name = "plain_hasher"
@@ -5613,9 +5611,9 @@ dependencies = [
 
 [[package]]
 name = "portable-atomic"
-version = "1.9.0"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc9c68a3f6da06753e9335d63e27f6b9754dd1920d941135b7ea8224f141adb2"
+checksum = "d30538d42559de6b034bc76fd6dd4c38961b1ee5c6c56e3808c50128fdbc22ce"
 
 [[package]]
 name = "powerfmt"
@@ -5697,7 +5695,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "479cf940fbbb3426c32c5d5176f62ad57549a0bb84773423ba8be9d089f5faba"
 dependencies = [
  "proc-macro2",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -5772,7 +5770,7 @@ dependencies = [
  "proc-macro-error-attr2",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -5824,7 +5822,7 @@ dependencies = [
  "rand 0.8.5",
  "rand_chacha 0.3.1",
  "rand_xorshift",
- "regex-syntax 0.8.5",
+ "regex-syntax 0.8.4",
  "rusty-fork",
  "tempfile",
  "unarray",
@@ -5848,7 +5846,7 @@ checksum = "6ff7ff745a347b87471d859a377a9a404361e7efc2a971d73424a6d183c0fc77"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -6101,9 +6099,9 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.5.7"
+version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b6dfecf2c74bce2466cabf93f6664d6998a69eb21e39f4207930065b27b771f"
+checksum = "0884ad60e090bf1345b93da0a5de8923c93884cd03f40dfcfddd3b4bee661853"
 dependencies = [
  "bitflags 2.6.0",
 ]
@@ -6121,14 +6119,14 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.11.0"
+version = "1.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38200e5ee88914975b69f657f0801b6f6dccafd44fd9326302a4aaeecfacb1d8"
+checksum = "4219d74c6b67a3654a9fbebc4b419e22126d13d2f3c4a07ee0cb61ff79a79619"
 dependencies = [
  "aho-corasick",
  "memchr",
- "regex-automata 0.4.8",
- "regex-syntax 0.8.5",
+ "regex-automata 0.4.7",
+ "regex-syntax 0.8.4",
 ]
 
 [[package]]
@@ -6142,13 +6140,13 @@ dependencies = [
 
 [[package]]
 name = "regex-automata"
-version = "0.4.8"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "368758f23274712b504848e9d5a6f010445cc8b87a7cdb4d7cbee666c1288da3"
+checksum = "38caf58cc5ef2fed281f89292ef23f6365465ed9a41b7a7754eb4e26496c92df"
 dependencies = [
  "aho-corasick",
  "memchr",
- "regex-syntax 0.8.5",
+ "regex-syntax 0.8.4",
 ]
 
 [[package]]
@@ -6159,9 +6157,9 @@ checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
 
 [[package]]
 name = "regex-syntax"
-version = "0.8.5"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
+checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b"
 
 [[package]]
 name = "regress"
@@ -6175,9 +6173,9 @@ dependencies = [
 
 [[package]]
 name = "reqwest"
-version = "0.12.8"
+version = "0.12.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f713147fbe92361e52392c73b8c9e48c04c6625bce969ef54dc901e58e042a7b"
+checksum = "f8f4955649ef5c38cc7f9e8aa41761d48fb9677197daea9984dc54f56aad5e63"
 dependencies = [
  "base64 0.22.1",
  "bytes",
@@ -6198,7 +6196,7 @@ dependencies = [
  "pin-project-lite",
  "quinn",
  "rustls",
- "rustls-native-certs 0.8.0",
+ "rustls-native-certs 0.7.3",
  "rustls-pemfile",
  "rustls-pki-types",
  "serde",
@@ -6669,7 +6667,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "similar-asserts",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -9539,18 +9537,19 @@ dependencies = [
 
 [[package]]
 name = "rustls-pemfile"
-version = "2.2.0"
+version = "2.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dce314e5fee3f39953d46bb63bb8a46d40c2f8fb7cc5a3b6cab2bde9721d6e50"
+checksum = "196fe16b00e106300d3e45ecfcb764fa292a535d7326a29a5875c579c7417425"
 dependencies = [
+ "base64 0.22.1",
  "rustls-pki-types",
 ]
 
 [[package]]
 name = "rustls-pki-types"
-version = "1.9.0"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e696e35370c65c9c541198af4543ccd580cf17fc25d8e05c5a242b202488c55"
+checksum = "fc0a2ce646f8655401bb81e7927b812614bd5d91dbc968696be50603510fcaf0"
 
 [[package]]
 name = "rustls-platform-verifier"
@@ -9631,9 +9630,9 @@ dependencies = [
 
 [[package]]
 name = "scc"
-version = "2.2.0"
+version = "2.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "836f1e0f4963ef5288b539b643b35e043e76a32d0f4e47e67febf69576527f50"
+checksum = "0c947adb109a8afce5fc9c7bf951f87f146e9147b3a6a58413105628fb1d1e66"
 dependencies = [
  "sdd",
 ]
@@ -9790,7 +9789,7 @@ checksum = "243902eda00fad750862fc144cea25caca5e20d615af0a81bee94ca738f1df1f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -9825,14 +9824,14 @@ checksum = "6c64451ba24fc7a6a2d60fc75dd9c83c90903b19028d4eff35e88fc1e86564e9"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
 name = "serde_spanned"
-version = "0.6.8"
+version = "0.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87607cb1398ed59d48732e575a4c28a7a8ebf2454b964fe3f224f2afc07909e1"
+checksum = "eb5b1b31579f3811bf615c144393417496f152e12ac8b7663bf664f4a815306d"
 dependencies = [
  "serde",
 ]
@@ -9851,9 +9850,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.10.0"
+version = "3.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9720086b3357bcb44fce40117d769a4d068c70ecfa190850a980a71755f66fcc"
+checksum = "69cecfa94848272156ea67b2b1a53f20fc7bc638c4a46d2f8abde08f05f4b857"
 dependencies = [
  "base64 0.22.1",
  "chrono",
@@ -9869,14 +9868,14 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.10.0"
+version = "3.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f1abbfe725f27678f4663bcacb75a83e829fd464c25d78dd038a3a29e307cec"
+checksum = "a8fee4991ef4f274617a51ad4af30519438dacb2f56ac773b08a1922ff743350"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -9899,7 +9898,7 @@ checksum = "82fe9db325bcef1fbcde82e078a5cc4efdf787e96b3b9cf45b50b529f2083d67"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -10190,7 +10189,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rustversion",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -10214,9 +10213,9 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
 [[package]]
 name = "symbolic-common"
-version = "12.12.0"
+version = "12.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "366f1b4c6baf6cfefc234bbd4899535fca0b06c74443039a73f6dfb2fad88d77"
+checksum = "9fdf97c441f18a4f92425b896a4ec7a27e03631a0b1047ec4e34e9916a9a167e"
 dependencies = [
  "debugid",
  "memmap2",
@@ -10226,9 +10225,9 @@ dependencies = [
 
 [[package]]
 name = "symbolic-demangle"
-version = "12.12.0"
+version = "12.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aba05ba5b9962ea5617baf556293720a8b2d0a282aa14ee4bf10e22efc7da8c8"
+checksum = "bc8ece6b129e97e53d1fbb3f61d33a6a9e5369b11d01228c068094d6d134eaea"
 dependencies = [
  "cpp_demangle",
  "rustc-demangle",
@@ -10248,9 +10247,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.79"
+version = "2.0.77"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89132cd0bf050864e1d38dc3bbc07a0eb8e7530af26344d3d2bbbef83499f590"
+checksum = "9f35bcdf61fd8e7be6caf75f429fdca8beb3ed76584befb503b1569faee373ed"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -10266,7 +10265,7 @@ dependencies = [
  "paste",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -10292,7 +10291,7 @@ checksum = "c8af7666ab7b6390ab78131fb5b0fce11d6b7a6951602017c35fa82800708971"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -10316,9 +10315,9 @@ checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
 
 [[package]]
 name = "tempfile"
-version = "3.13.0"
+version = "3.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0f2c9fc62d0beef6951ccffd757e241266a2c833136efbe35af6cd2567dca5b"
+checksum = "04cbcdd0c794ebb0d4cf35e88edd2f7d2c4c3e9a5a6dab322839b321c6a87a64"
 dependencies = [
  "cfg-if",
  "fastrand 2.1.1",
@@ -10369,7 +10368,7 @@ dependencies = [
  "prettyplease",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -10393,22 +10392,22 @@ checksum = "a38c90d48152c236a3ab59271da4f4ae63d678c5d7ad6b7714d7cb9760be5e4b"
 
 [[package]]
 name = "thiserror"
-version = "1.0.64"
+version = "1.0.63"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d50af8abc119fb8bb6dbabcfa89656f46f84aa0ac7688088608076ad2b459a84"
+checksum = "c0342370b38b6a11b6cc11d6a805569958d54cfa061a29969c3b5ce2ea405724"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.64"
+version = "1.0.63"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08904e7672f5eb876eaaf87e0ce17857500934f4981c4a0ab2b4aa98baac7fc3"
+checksum = "a4558b58466b9ad7ca0f102865eccc95938dca1a74a856f2b57b6629050da261"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -10585,7 +10584,7 @@ checksum = "693d596312e88961bc67d7f1f97af8a70227d9f90c31bba5806eec004978d752"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -10665,9 +10664,9 @@ dependencies = [
 
 [[package]]
 name = "toml_edit"
-version = "0.22.22"
+version = "0.22.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ae48d6208a266e853d946088ed816055e556cc6028c5e8e2b84d9fa5dd7c7f5"
+checksum = "3b072cee73c449a636ffd6f32bd8de3a9f7119139aff882f44943ce2986dc5cf"
 dependencies = [
  "indexmap 2.5.0",
  "serde",
@@ -10786,7 +10785,7 @@ checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -10876,9 +10875,9 @@ dependencies = [
 
 [[package]]
 name = "tracy-client"
-version = "0.17.4"
+version = "0.17.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "746b078c6a09ebfd5594609049e07116735c304671eaab06ce749854d23435bc"
+checksum = "373db47331c3407b343538df77eea2516884a0b126cdfb4b135acfd400015dd7"
 dependencies = [
  "loom",
  "once_cell",
@@ -10888,9 +10887,9 @@ dependencies = [
 
 [[package]]
 name = "tracy-client-sys"
-version = "0.24.1"
+version = "0.24.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68613466112302fdbeabc5fa55f7d57462a0b247d5a6b7d7e09401fb471a144d"
+checksum = "49cf0064dcb31c99aa1244c1b93439359e53f72ed217eef5db50abd442241e9a"
 dependencies = [
  "cc",
 ]
@@ -10985,9 +10984,9 @@ checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
 
 [[package]]
 name = "ucd-trie"
-version = "0.1.7"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2896d95c02a80c6d6a5d6e953d479f5ddf2dfdb6a244441010e373ac0fb88971"
+checksum = "ed646292ffc8188ef8ea4d1e0e0150fb15a5c2e12ad9b8fc191ae7a8a7f3c4b9"
 
 [[package]]
 name = "uint"
@@ -11082,12 +11081,6 @@ version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6889a77d49f1f013504cec6bf97a2c730394adedaeb1deb5ea08949a50541105"
 
-[[package]]
-name = "unsigned-varint"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb066959b24b5196ae73cb057f45598450d2c5f71460e98c49b738086eff9c06"
-
 [[package]]
 name = "untrusted"
 version = "0.9.0"
@@ -11233,7 +11226,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
  "wasm-bindgen-shared",
 ]
 
@@ -11267,7 +11260,7 @@ checksum = "afc340c74d9005395cf9dd098506f7f44e38f2b4a21c6aaacf9a105ea5e1e836"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -11280,9 +11273,9 @@ checksum = "c62a0a307cb4a311d3a07867860911ca130c3494e8c2719593806c08bc5d0484"
 
 [[package]]
 name = "wasm-streams"
-version = "0.4.1"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e072d4e72f700fb3443d8fe94a39315df013eef1104903cdb0a2abd322bbecd"
+checksum = "b65dc4c90b63b118468cf747d8bf3566c1913ef60be765b5730ead9e0a3ba129"
 dependencies = [
  "futures-util",
  "js-sys",
@@ -11409,7 +11402,7 @@ checksum = "9107ddc059d5b6fbfbffdfa7a7fe3e22a226def0b2608f72e9d552763d3e1ad7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -11420,7 +11413,7 @@ checksum = "2bbd5b46c938e506ecbce286b6628a02171d56153ba733b6c741fc627ec9579b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -11431,7 +11424,7 @@ checksum = "29bee4b38ea3cde66011baa44dba677c432a78593e202392d1e9070cf2a7fca7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -11442,7 +11435,7 @@ checksum = "053c4c462dc91d3b1504c6fe5a726dd15e216ba718e84a0e46a88fbe5ded3515"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -11634,9 +11627,9 @@ checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
 [[package]]
 name = "winnow"
-version = "0.6.20"
+version = "0.6.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36c1fec1a2bb5866f07c25f68c26e565c4c200aebb96d7e55710c19d3e8ac49b"
+checksum = "68a9bda4691f099d435ad181000724da8e5899daa10713c2d432552b9ccd3a6f"
 dependencies = [
  "memchr",
 ]
@@ -11717,7 +11710,7 @@ checksum = "28cc31741b18cb6f1d5ff12f5b7523e3d6eb0852bbbad19d73905511d9849b95"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
  "synstructure",
 ]
 
@@ -11739,7 +11732,7 @@ checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -11759,7 +11752,7 @@ checksum = "0ea7b4a3637ea8669cedf0f1fd5c286a17f3de97b8dd5a70a6c167a1730e63a5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
  "synstructure",
 ]
 
@@ -11780,7 +11773,7 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -11802,7 +11795,7 @@ checksum = "6eafa6dfb17584ea3e2bd6e76e0cc15ad7af12b09abdd1ca55961bed9b1063c6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.77",
 ]
 
 [[package]]
diff --git a/crates/ethereum/engine-primitives/src/payload.rs b/crates/ethereum/engine-primitives/src/payload.rs
index ae370fdb9d7..45969c1e1d3 100644
--- a/crates/ethereum/engine-primitives/src/payload.rs
+++ b/crates/ethereum/engine-primitives/src/payload.rs
@@ -248,6 +248,20 @@ impl PayloadBuilderAttributes for EthPayloadBuilderAttributes {
     }
 }
 
+impl Default for EthPayloadBuilderAttributes {
+    fn default() -> Self {
+        Self {
+            id: PayloadId::new([0; 8]),
+            parent: B256::default(),
+            timestamp: 0,
+            suggested_fee_recipient: Address::ZERO,
+            prev_randao: B256::default(),
+            withdrawals: Withdrawals::default(),
+            parent_beacon_block_root: None,
+        }
+    }
+}
+
 /// Generates the payload id for the configured payload from the [`PayloadAttributes`].
 ///
 /// Returns an 8-byte identifier by hashing the payload components with sha256 hash.
diff --git a/crates/optimism/chainspec/src/lib.rs b/crates/optimism/chainspec/src/lib.rs
index ebd9392b533..df26b17ed9a 100644
--- a/crates/optimism/chainspec/src/lib.rs
+++ b/crates/optimism/chainspec/src/lib.rs
@@ -19,7 +19,7 @@ mod op_sepolia;
 use std::fmt::Display;
 
 use alloy_genesis::Genesis;
-use alloy_primitives::{Parity, Signature, B256, U256};
+use alloy_primitives::{b64, Parity, Signature, B256, B64, U256};
 pub use base::BASE_MAINNET;
 pub use base_sepolia::BASE_SEPOLIA;
 pub use dev::OP_DEV;
@@ -34,8 +34,13 @@ use reth_chainspec::{
 };
 use reth_ethereum_forks::{ChainHardforks, EthereumHardfork, ForkCondition};
 use reth_network_peers::NodeRecord;
+use reth_optimism_forks::OptimismHardfork;
 use reth_primitives_traits::Header;
 
+/// These are the masks for the base fee denominator and elasticity in the nonce, post Holocene
+const DENOMINATOR_MASK: B64 = b64!("FFFFFFFF00000000");
+const ELASTICITY_MASK: B64 = b64!("00000000FFFFFFFF");
+
 /// OP stack chain spec type.
 #[derive(Debug, Clone, Deref, Into, Constructor, PartialEq, Eq)]
 pub struct OpChainSpec {
@@ -43,12 +48,48 @@ pub struct OpChainSpec {
     pub inner: ChainSpec,
 }
 
+/// Fee trait for OP chain specs.
+pub trait Fee {
+    /// Read from parent to determine the base fee for the next block
+    fn next_block_base_fee(&self, parent: &Header, timestamp: u64) -> U256;
+}
+
 /// Returns the signature for the optimism deposit transactions, which don't include a
 /// signature.
 pub fn optimism_deposit_tx_signature() -> Signature {
     Signature::new(U256::ZERO, U256::ZERO, Parity::Parity(false))
 }
 
+/// Extracts the Holcene 1599 parameters from the encoded form:
+/// <https://github.com/ethereum-optimism/specs/blob/main/specs/protocol/holocene/exec-engine.md#eip1559params-encoding>
+pub fn decode_holocene_1559_params(nonce: B64) -> (u64, u64) {
+    let elasticity = nonce & ELASTICITY_MASK;
+    let denominator = nonce & DENOMINATOR_MASK;
+    (elasticity.into(), denominator.into())
+}
+
+impl Fee for OpChainSpec {
+    fn next_block_base_fee(&self, parent: &Header, timestamp: u64) -> U256 {
+        let is_holocene =
+            self.inner.is_fork_active_at_timestamp(OptimismHardfork::Holocene, timestamp);
+        // If we are in the Holocene, we need to use the base fee params from the parent block's
+        // nonce Else, use the base fee params from chainspec
+        if is_holocene && parent.nonce != B64::ZERO {
+            // First 4 bytes of the nonce are the base fee denominator, the last 4 bytes are the
+            // elasticity
+            let (elasticity, denominator) = decode_holocene_1559_params(parent.nonce);
+            let base_fee_params = BaseFeeParams::new(denominator as u128, elasticity as u128);
+            U256::from(parent.next_block_base_fee(base_fee_params).unwrap_or_default())
+        } else {
+            U256::from(
+                parent
+                    .next_block_base_fee(self.base_fee_params_at_timestamp(timestamp))
+                    .unwrap_or_default(),
+            )
+        }
+    }
+}
+
 impl EthChainSpec for OpChainSpec {
     fn chain(&self) -> alloy_chains::Chain {
         self.inner.chain()
@@ -272,11 +313,14 @@ impl OptimismGenesisInfo {
 
 #[cfg(test)]
 mod tests {
+    use crate::OpChainSpec;
+    use alloc::sync::Arc;
     use alloy_genesis::{ChainConfig, Genesis};
-    use alloy_primitives::b256;
-    use reth_chainspec::{test_fork_ids, BaseFeeParams, BaseFeeParamsKind};
+    use alloy_primitives::{b256, U256};
+    use reth_chainspec::{test_fork_ids, BaseFeeParams, BaseFeeParamsKind, ChainSpec};
     use reth_ethereum_forks::{EthereumHardfork, ForkCondition, ForkHash, ForkId, Head};
     use reth_optimism_forks::{OptimismHardfork, OptimismHardforks};
+    use std::str::FromStr;
 
     use crate::*;
 
@@ -770,4 +814,87 @@ mod tests {
             .all(|(expected, actual)| &**expected == *actual));
         assert_eq!(expected_hardforks.len(), hardforks.len());
     }
+
+    #[test]
+    fn test_get_base_fee_pre_holocene() {
+        let op_chain_spec = &BASE_SEPOLIA;
+        let parent = Header {
+            base_fee_per_gas: Some(1),
+            gas_used: 15763614,
+            gas_limit: 144000000,
+            ..Default::default()
+        };
+        let base_fee = op_chain_spec.next_block_base_fee(&parent, 0);
+        assert_eq!(
+            base_fee,
+            U256::from(
+                parent
+                    .next_block_base_fee(op_chain_spec.base_fee_params_at_timestamp(0))
+                    .unwrap_or_default()
+            )
+        );
+    }
+
+    fn holocene_chainspec() -> Arc<OpChainSpec> {
+        let mut hardforks = OptimismHardfork::base_sepolia();
+        hardforks.insert(OptimismHardfork::Holocene.boxed(), ForkCondition::Timestamp(1800000000));
+        Arc::new(OpChainSpec {
+            inner: ChainSpec {
+                chain: BASE_SEPOLIA.inner.chain,
+                genesis: BASE_SEPOLIA.inner.genesis.clone(),
+                genesis_hash: BASE_SEPOLIA.inner.genesis_hash.clone(),
+                paris_block_and_final_difficulty: Some((0, U256::from(0))),
+                hardforks,
+                base_fee_params: BASE_SEPOLIA.inner.base_fee_params.clone(),
+                max_gas_limit: crate::constants::BASE_SEPOLIA_MAX_GAS_LIMIT,
+                prune_delete_limit: 10000,
+                ..Default::default()
+            },
+        })
+    }
+
+    #[test]
+    fn test_get_base_fee_holocene_nonce_not_set() {
+        let op_chain_spec = holocene_chainspec();
+        let parent = Header {
+            base_fee_per_gas: Some(1),
+            gas_used: 15763614,
+            gas_limit: 144000000,
+            timestamp: 1800000003,
+            ..Default::default()
+        };
+
+        let base_fee = op_chain_spec.next_block_base_fee(&parent, 1800000005);
+        assert_eq!(
+            base_fee,
+            U256::from(
+                parent
+                    .next_block_base_fee(op_chain_spec.base_fee_params_at_timestamp(0))
+                    .unwrap_or_default()
+            )
+        );
+    }
+
+    #[test]
+    fn test_get_base_fee_holocene_nonce_set() {
+        let op_chain_spec = holocene_chainspec();
+        let parent = Header {
+            base_fee_per_gas: Some(1),
+            gas_used: 15763614,
+            gas_limit: 144000000,
+            nonce: B64::from_str("0x0000000800000008").unwrap(),
+            timestamp: 1800000003,
+            ..Default::default()
+        };
+
+        let base_fee = op_chain_spec.next_block_base_fee(&parent, 1800000005);
+        assert_eq!(
+            base_fee,
+            U256::from(
+                parent
+                    .next_block_base_fee(BaseFeeParams::new(0x00000008, 0x00000008))
+                    .unwrap_or_default()
+            )
+        );
+    }
 }
diff --git a/crates/optimism/evm/Cargo.toml b/crates/optimism/evm/Cargo.toml
index 76fa3ce69e4..9107e5600d7 100644
--- a/crates/optimism/evm/Cargo.toml
+++ b/crates/optimism/evm/Cargo.toml
@@ -23,6 +23,7 @@ reth-prune-types.workspace = true
 
 # ethereum
 alloy-primitives.workspace = true
+alloy-eips.workspace = true
 op-alloy-consensus.workspace = true
 
 # Optimism
@@ -39,8 +40,6 @@ thiserror.workspace = true
 tracing.workspace = true
 
 [dev-dependencies]
-alloy-eips.workspace = true
-
 reth-revm = { workspace = true, features = ["test-utils"] }
 reth-optimism-chainspec.workspace = true
 alloy-genesis.workspace = true
diff --git a/crates/optimism/evm/src/config.rs b/crates/optimism/evm/src/config.rs
index 95d2c9a66fa..e4d7bdad5c2 100644
--- a/crates/optimism/evm/src/config.rs
+++ b/crates/optimism/evm/src/config.rs
@@ -12,7 +12,9 @@ pub fn revm_spec_by_timestamp_after_bedrock(
     chain_spec: &ChainSpec,
     timestamp: u64,
 ) -> revm_primitives::SpecId {
-    if chain_spec.fork(OptimismHardfork::Granite).active_at_timestamp(timestamp) {
+    if chain_spec.fork(OptimismHardfork::Holocene).active_at_timestamp(timestamp) {
+        revm_primitives::HOLOCENE
+    } else if chain_spec.fork(OptimismHardfork::Granite).active_at_timestamp(timestamp) {
         revm_primitives::GRANITE
     } else if chain_spec.fork(OptimismHardfork::Fjord).active_at_timestamp(timestamp) {
         revm_primitives::FJORD
@@ -29,7 +31,9 @@ pub fn revm_spec_by_timestamp_after_bedrock(
 
 /// Map the latest active hardfork at the given block to a revm [`SpecId`](revm_primitives::SpecId).
 pub fn revm_spec(chain_spec: &ChainSpec, block: &Head) -> revm_primitives::SpecId {
-    if chain_spec.fork(OptimismHardfork::Granite).active_at_head(block) {
+    if chain_spec.fork(OptimismHardfork::Holocene).active_at_head(block) {
+        revm_primitives::HOLOCENE
+    } else if chain_spec.fork(OptimismHardfork::Granite).active_at_head(block) {
         revm_primitives::GRANITE
     } else if chain_spec.fork(OptimismHardfork::Fjord).active_at_head(block) {
         revm_primitives::FJORD
diff --git a/crates/optimism/evm/src/lib.rs b/crates/optimism/evm/src/lib.rs
index b220b6056de..5e29fbe8e6e 100644
--- a/crates/optimism/evm/src/lib.rs
+++ b/crates/optimism/evm/src/lib.rs
@@ -11,7 +11,7 @@
 
 use alloy_primitives::{Address, U256};
 use reth_evm::{ConfigureEvm, ConfigureEvmEnv, NextBlockEnvAttributes};
-use reth_optimism_chainspec::OpChainSpec;
+use reth_optimism_chainspec::{Fee, OpChainSpec};
 use reth_primitives::{
     revm_primitives::{AnalysisKind, CfgEnvWithHandlerCfg, TxEnv},
     transaction::FillTxEnv,
@@ -160,13 +160,7 @@ impl ConfigureEvmEnv for OptimismEvmConfig {
             prevrandao: Some(attributes.prev_randao),
             gas_limit: U256::from(parent.gas_limit),
             // calculate basefee based on parent block's gas usage
-            basefee: U256::from(
-                parent
-                    .next_block_base_fee(
-                        self.chain_spec.base_fee_params_at_timestamp(attributes.timestamp),
-                    )
-                    .unwrap_or_default(),
-            ),
+            basefee: self.chain_spec.next_block_base_fee(parent, attributes.timestamp),
             // calculate excess gas based on parent block's blob gas usage
             blob_excess_gas_and_price,
         };
diff --git a/crates/optimism/hardforks/src/hardfork.rs b/crates/optimism/hardforks/src/hardfork.rs
index 011c4ae72fd..f93c00e4937 100644
--- a/crates/optimism/hardforks/src/hardfork.rs
+++ b/crates/optimism/hardforks/src/hardfork.rs
@@ -31,6 +31,8 @@ hardfork!(
         Fjord,
         /// Granite: <https://github.com/ethereum-optimism/specs/blob/main/specs/protocol/superchain-upgrades.md#granite>
         Granite,
+        /// Holocene: <https://github.com/ethereum-optimism/specs/blob/main/specs/protocol/superchain-upgrades.md#holocene>
+        Holocene,
     }
 );
 
@@ -156,6 +158,7 @@ impl OptimismHardfork {
                 Self::Ecotone => Some(1708534800),
                 Self::Fjord => Some(1716998400),
                 Self::Granite => Some(1723478400),
+                Self::Holocene => None, // TODO: update when Holocene is defined
             },
         )
     }
@@ -190,6 +193,7 @@ impl OptimismHardfork {
                 Self::Ecotone => Some(1710374401),
                 Self::Fjord => Some(1720627201),
                 Self::Granite => Some(1726070401),
+                Self::Holocene => None, // TODO: update when Holocene is defined
             },
         )
     }
diff --git a/crates/optimism/node/src/engine.rs b/crates/optimism/node/src/engine.rs
index a83f4c696a1..e898acfb559 100644
--- a/crates/optimism/node/src/engine.rs
+++ b/crates/optimism/node/src/engine.rs
@@ -13,7 +13,7 @@ use reth_node_api::{
     },
     validate_version_specific_fields, EngineTypes, EngineValidator,
 };
-use reth_optimism_chainspec::OpChainSpec;
+use reth_optimism_chainspec::{decode_holocene_1559_params, OpChainSpec};
 use reth_optimism_forks::OptimismHardfork;
 use reth_optimism_payload_builder::{OptimismBuiltPayload, OptimismPayloadBuilderAttributes};
 
@@ -147,6 +147,130 @@ where
             ))
         }
 
+        if self.chain_spec.is_fork_active_at_timestamp(
+            OptimismHardfork::Holocene,
+            attributes.payload_attributes.timestamp,
+        ) {
+            if attributes.eip_1559_params.is_none() {
+                return Err(EngineObjectValidationError::InvalidParams(
+                    "MissingEip1559ParamsInPayloadAttributes".to_string().into(),
+                ))
+            }
+
+            let (_, denominator) = decode_holocene_1559_params(
+                attributes.eip_1559_params.expect("eip_1559_params is none"),
+            );
+
+            if denominator == 0 {
+                return Err(EngineObjectValidationError::InvalidParams(
+                    "Eip1559ParamsDenominatorZero".to_string().into(),
+                ))
+            }
+        }
+
         Ok(())
     }
 }
+
+#[cfg(test)]
+mod test {
+
+    use crate::engine;
+    use alloy_primitives::{b64, Address, B256, B64};
+    use alloy_rpc_types_engine::PayloadAttributes;
+    use reth_chainspec::ForkCondition;
+    use reth_optimism_chainspec::BASE_SEPOLIA;
+
+    use super::*;
+
+    fn get_chainspec(is_holocene: bool) -> Arc<OpChainSpec> {
+        let mut hardforks = OptimismHardfork::base_sepolia();
+        if is_holocene {
+            hardforks
+                .insert(OptimismHardfork::Holocene.boxed(), ForkCondition::Timestamp(1800000000));
+        }
+        Arc::new(OpChainSpec {
+            inner: ChainSpec {
+                chain: BASE_SEPOLIA.inner.chain,
+                genesis: BASE_SEPOLIA.inner.genesis.clone(),
+                genesis_hash: BASE_SEPOLIA.inner.genesis_hash.clone(),
+                paris_block_and_final_difficulty: BASE_SEPOLIA
+                    .inner
+                    .paris_block_and_final_difficulty,
+                hardforks,
+                base_fee_params: BASE_SEPOLIA.inner.base_fee_params.clone(),
+                max_gas_limit: BASE_SEPOLIA.inner.max_gas_limit,
+                prune_delete_limit: 10000,
+                ..Default::default()
+            },
+        })
+    }
+
+    const fn get_attributes(eip_1559_params: Option<B64>, timestamp: u64) -> OpPayloadAttributes {
+        OpPayloadAttributes {
+            gas_limit: Some(1000),
+            eip_1559_params,
+            transactions: None,
+            no_tx_pool: None,
+            payload_attributes: PayloadAttributes {
+                timestamp,
+                prev_randao: B256::ZERO,
+                suggested_fee_recipient: Address::ZERO,
+                withdrawals: Some(vec![]),
+                parent_beacon_block_root: Some(B256::ZERO),
+            },
+        }
+    }
+
+    #[test]
+    fn test_well_formed_attributes_pre_holocene() {
+        let validator = OptimismEngineValidator::new(get_chainspec(false));
+        let attributes = get_attributes(None, 1799999999);
+
+        let result = <engine::OptimismEngineValidator as reth_node_builder::EngineValidator<
+            OptimismEngineTypes,
+        >>::ensure_well_formed_attributes(
+            &validator, EngineApiMessageVersion::V3, &attributes
+        );
+        assert!(result.is_ok());
+    }
+
+    #[test]
+    fn test_well_formed_attributes_holocene_no_eip1559_params() {
+        let validator = OptimismEngineValidator::new(get_chainspec(true));
+        let attributes = get_attributes(None, 1800000000);
+
+        let result = <engine::OptimismEngineValidator as reth_node_builder::EngineValidator<
+            OptimismEngineTypes,
+        >>::ensure_well_formed_attributes(
+            &validator, EngineApiMessageVersion::V3, &attributes
+        );
+        assert!(matches!(result, Err(EngineObjectValidationError::InvalidParams(_))));
+    }
+
+    #[test]
+    fn test_well_formed_attributes_holocene_eip1559_params_zero_denominator() {
+        let validator = OptimismEngineValidator::new(get_chainspec(true));
+        let attributes = get_attributes(Some(b64!("0000000000000008")), 1800000000);
+
+        let result = <engine::OptimismEngineValidator as reth_node_builder::EngineValidator<
+            OptimismEngineTypes,
+        >>::ensure_well_formed_attributes(
+            &validator, EngineApiMessageVersion::V3, &attributes
+        );
+        assert!(matches!(result, Err(EngineObjectValidationError::InvalidParams(_))));
+    }
+
+    #[test]
+    fn test_well_formed_attributes_holocene_valid() {
+        let validator = OptimismEngineValidator::new(get_chainspec(true));
+        let attributes = get_attributes(Some(b64!("0000000800000008")), 1800000000);
+
+        let result = <engine::OptimismEngineValidator as reth_node_builder::EngineValidator<
+            OptimismEngineTypes,
+        >>::ensure_well_formed_attributes(
+            &validator, EngineApiMessageVersion::V3, &attributes
+        );
+        assert!(result.is_ok());
+    }
+}
diff --git a/crates/optimism/node/tests/e2e/utils.rs b/crates/optimism/node/tests/e2e/utils.rs
index 1e9ffa652f1..8acf13458b7 100644
--- a/crates/optimism/node/tests/e2e/utils.rs
+++ b/crates/optimism/node/tests/e2e/utils.rs
@@ -1,7 +1,7 @@
 use std::sync::Arc;
 
 use alloy_genesis::Genesis;
-use alloy_primitives::{Address, B256};
+use alloy_primitives::{Address, B256, B64};
 use reth::{rpc::types::engine::PayloadAttributes, tasks::TaskManager};
 use reth_chainspec::ChainSpecBuilder;
 use reth_e2e_test_utils::{transaction::TransactionTestContext, wallet::Wallet, NodeHelperType};
@@ -72,5 +72,6 @@ pub(crate) fn optimism_payload_attributes(timestamp: u64) -> OptimismPayloadBuil
         transactions: vec![],
         no_tx_pool: false,
         gas_limit: Some(30_000_000),
+        eip_1559_params: Some(B64::default()),
     }
 }
diff --git a/crates/optimism/payload/src/builder.rs b/crates/optimism/payload/src/builder.rs
index 5e9c1b5d18b..2c37adc59be 100644
--- a/crates/optimism/payload/src/builder.rs
+++ b/crates/optimism/payload/src/builder.rs
@@ -2,10 +2,10 @@
 
 use std::sync::Arc;
 
-use alloy_primitives::U256;
+use alloy_primitives::{B64, U256};
 use reth_basic_payload_builder::*;
 use reth_chain_state::ExecutedBlock;
-use reth_chainspec::{ChainSpecProvider, EthereumHardforks};
+use reth_chainspec::{BaseFeeParams, ChainSpecProvider, EthChainSpec, EthereumHardforks};
 use reth_evm::{system_calls::SystemCaller, ConfigureEvm, ConfigureEvmEnv, NextBlockEnvAttributes};
 use reth_execution_types::ExecutionOutcome;
 use reth_optimism_chainspec::OpChainSpec;
@@ -183,6 +183,15 @@ where
     });
     let base_fee = initialized_block_env.basefee.to::<u64>();
 
+    let is_holocene = chain_spec.is_fork_active_at_timestamp(
+        OptimismHardfork::Holocene,
+        attributes.payload_attributes.timestamp,
+    );
+
+    if is_holocene && attributes.eip_1559_params.is_none() {
+        return Err(PayloadBuilderError::other(OptimismPayloadBuilderError::MissingEip1559Params))
+    }
+
     let mut executed_txs = Vec::with_capacity(attributes.transactions.len());
     let mut executed_senders = Vec::with_capacity(attributes.transactions.len());
 
@@ -496,7 +505,12 @@ where
         logs_bloom,
         timestamp: attributes.payload_attributes.timestamp,
         mix_hash: attributes.payload_attributes.prev_randao,
-        nonce: BEACON_NONCE.into(),
+        // Post holocene, adding eip 1559 params to the nonce field
+        nonce: get_nonce(
+            is_holocene,
+            &attributes,
+            chain_spec.base_fee_params_at_timestamp(attributes.payload_attributes.timestamp),
+        ),
         base_fee_per_gas: Some(base_fee),
         number: parent_block.number + 1,
         gas_limit: block_gas_limit,
@@ -541,3 +555,60 @@ where
 
     Ok(BuildOutcome::Better { payload, cached_reads })
 }
+
+fn get_nonce(
+    is_holocene: bool,
+    attributes: &OptimismPayloadBuilderAttributes,
+    default_base_fee_params: BaseFeeParams,
+) -> B64 {
+    if is_holocene {
+        // If eip 1559 params are set, use them, otherwise use the canyon base fee param constants
+        // The eip 1559 params should exist here since there was a check previously
+        if attributes.eip_1559_params.unwrap() == B64::ZERO {
+            let mut default_params = [0u8; 8];
+            default_params[..4].copy_from_slice(
+                &(default_base_fee_params.max_change_denominator as u32).to_be_bytes(),
+            );
+            default_params[4..].copy_from_slice(
+                &(default_base_fee_params.elasticity_multiplier as u32).to_be_bytes(),
+            );
+            B64::from_slice(default_params.as_ref())
+        } else {
+            attributes.eip_1559_params.unwrap()
+        }
+    } else {
+        BEACON_NONCE.into()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::str::FromStr;
+
+    use super::*;
+
+    #[test]
+    fn test_get_nonce_pre_holocene() {
+        let attributes = OptimismPayloadBuilderAttributes::default();
+        let nonce = get_nonce(false, &attributes, BaseFeeParams::new(80, 60));
+        assert_eq!(nonce, B64::from(BEACON_NONCE.to_le_bytes()));
+    }
+
+    #[test]
+    fn test_get_nonce_post_holocene() {
+        let attributes = OptimismPayloadBuilderAttributes {
+            eip_1559_params: Some(B64::from_str("0x1234567812345678").unwrap()),
+            ..Default::default()
+        };
+        let nonce = get_nonce(true, &attributes, BaseFeeParams::new(80, 60));
+        assert_eq!(nonce, B64::from_str("0x1234567812345678").unwrap());
+    }
+
+    #[test]
+    fn test_get_nonce_post_holocene_default() {
+        let attributes = OptimismPayloadBuilderAttributes::default();
+        let nonce = get_nonce(true, &attributes, BaseFeeParams::new(80, 60));
+        let default_params: [u8; 8] = [0, 0, 0, 80, 0, 0, 0, 60];
+        assert_eq!(nonce, B64::from_slice(&default_params));
+    }
+}
diff --git a/crates/optimism/payload/src/error.rs b/crates/optimism/payload/src/error.rs
index 2016fdc6dd9..4afb9a57f30 100644
--- a/crates/optimism/payload/src/error.rs
+++ b/crates/optimism/payload/src/error.rs
@@ -20,4 +20,7 @@ pub enum OptimismPayloadBuilderError {
     /// Thrown when a blob transaction is included in a sequencer's block.
     #[error("blob transaction included in sequencer block")]
     BlobTransactionRejected,
+    /// Thrown when EIP1559 params are missing in the payload attributes post Holocene.
+    #[error("missing EIP1559 params in payload attributes")]
+    MissingEip1559Params,
 }
diff --git a/crates/optimism/payload/src/payload.rs b/crates/optimism/payload/src/payload.rs
index 122c2fde526..8b52c4f6ee6 100644
--- a/crates/optimism/payload/src/payload.rs
+++ b/crates/optimism/payload/src/payload.rs
@@ -3,7 +3,7 @@
 //! Optimism builder support
 
 use alloy_eips::eip2718::Decodable2718;
-use alloy_primitives::{Address, B256, U256};
+use alloy_primitives::{Address, B256, B64, U256};
 use alloy_rlp::Encodable;
 use alloy_rpc_types_engine::{ExecutionPayloadEnvelopeV2, ExecutionPayloadV1, PayloadId};
 /// Re-export for use in downstream arguments.
@@ -35,6 +35,8 @@ pub struct OptimismPayloadBuilderAttributes {
     pub transactions: Vec<WithEncoded<TransactionSigned>>,
     /// The gas limit for the generated payload
     pub gas_limit: Option<u64>,
+    /// EIP-1559 parameters for the generated payload
+    pub eip_1559_params: Option<B64>,
 }
 
 impl PayloadBuilderAttributes for OptimismPayloadBuilderAttributes {
@@ -79,6 +81,7 @@ impl PayloadBuilderAttributes for OptimismPayloadBuilderAttributes {
             no_tx_pool: attributes.no_tx_pool.unwrap_or_default(),
             transactions,
             gas_limit: attributes.gas_limit,
+            eip_1559_params: attributes.eip_1559_params,
         })
     }
 
@@ -111,6 +114,18 @@ impl PayloadBuilderAttributes for OptimismPayloadBuilderAttributes {
     }
 }
 
+impl Default for OptimismPayloadBuilderAttributes {
+    fn default() -> Self {
+        Self {
+            payload_attributes: EthPayloadBuilderAttributes::default(),
+            no_tx_pool: false,
+            transactions: Vec::new(),
+            gas_limit: None,
+            eip_1559_params: Some(B64::default()),
+        }
+    }
+}
+
 /// Contains the built payload.
 #[derive(Debug, Clone)]
 pub struct OptimismBuiltPayload {
@@ -296,6 +311,10 @@ pub(crate) fn payload_id_optimism(parent: &B256, attributes: &OpPayloadAttribute
         hasher.update(gas_limit.to_be_bytes());
     }
 
+    if let Some(eip_1559_params) = &attributes.eip_1559_params {
+        hasher.update(eip_1559_params.as_slice());
+    }
+
     let out = hasher.finalize();
     PayloadId::new(out.as_slice()[..8].try_into().expect("sufficient length"))
 }