diff --git a/cannon/mipsevm/testutil/evm.go b/cannon/mipsevm/testutil/evm.go
index 9086d176d6d97..09bdaf262add6 100644
--- a/cannon/mipsevm/testutil/evm.go
+++ b/cannon/mipsevm/testutil/evm.go
@@ -139,6 +139,8 @@ type testChain struct {
 	startTime uint64
 }
 
+var _ core.ChainContext = (*testChain)(nil)
+
 func (d *testChain) Engine() consensus.Engine {
 	return ethash.NewFullFaker()
 }
@@ -147,6 +149,18 @@ func (d *testChain) Config() *params.ChainConfig {
 	return d.config
 }
 
+func (d *testChain) CurrentHeader() *types.Header {
+	panic("unimplemented")
+}
+
+func (d *testChain) GetHeaderByHash(hash common.Hash) *types.Header {
+	panic("unimplemented")
+}
+
+func (d *testChain) GetHeaderByNumber(number uint64) *types.Header {
+	return d.GetHeader(common.Hash{}, number)
+}
+
 func (d *testChain) GetHeader(h common.Hash, n uint64) *types.Header {
 	parentHash := common.Hash{0: 0xff}
 	binary.BigEndian.PutUint64(parentHash[1:], n-1)
diff --git a/go.mod b/go.mod
index bb25b0644b7e8..cbb2fbe06c197 100644
--- a/go.mod
+++ b/go.mod
@@ -27,7 +27,7 @@ require (
 	github.com/fatih/color v1.18.0
 	github.com/fsnotify/fsnotify v1.9.0
 	github.com/go-task/slim-sprig/v3 v3.0.0
-	github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb
+	github.com/golang/snappy v1.0.0
 	github.com/google/go-cmp v0.7.0
 	github.com/google/go-github/v55 v55.0.0
 	github.com/google/gofuzz v1.2.1-0.20220503160820-4a35382e8fc8
@@ -86,7 +86,7 @@ require (
 	github.com/DataDog/zstd v1.5.6-0.20230824185856-869dae002e5e // indirect
 	github.com/Microsoft/go-winio v0.6.2 // indirect
 	github.com/ProtonMail/go-crypto v0.0.0-20230217124315-7d5c6f04bbb8 // indirect
-	github.com/VictoriaMetrics/fastcache v1.12.2 // indirect
+	github.com/VictoriaMetrics/fastcache v1.13.0 // indirect
 	github.com/adrg/xdg v0.4.0 // indirect
 	github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b // indirect
 	github.com/allegro/bigcache v1.2.1 // indirect
@@ -310,7 +310,7 @@ require (
 	lukechampine.com/blake3 v1.3.0 // indirect
 )
 
-replace github.com/ethereum/go-ethereum => github.com/ethereum-optimism/op-geth v1.101604.1-0.20260109132258-733bb5b623f7
+replace github.com/ethereum/go-ethereum => github.com/ethereum-optimism/op-geth v1.101605.0-rc.1
 
 // replace github.com/ethereum/go-ethereum => ../op-geth
 
diff --git a/go.sum b/go.sum
index df1eebcbd2516..1b64c9996c991 100644
--- a/go.sum
+++ b/go.sum
@@ -39,8 +39,8 @@ github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/ProtonMail/go-crypto v0.0.0-20230217124315-7d5c6f04bbb8 h1:wPbRQzjjwFc0ih8puEVAOFGELsn1zoIIYdxvML7mDxA=
 github.com/ProtonMail/go-crypto v0.0.0-20230217124315-7d5c6f04bbb8/go.mod h1:I0gYDMZ6Z5GRU7l58bNFSkPTFN6Yl12dsUlAZ8xy98g=
-github.com/VictoriaMetrics/fastcache v1.12.2 h1:N0y9ASrJ0F6h0QaC3o6uJb3NIZ9VKLjCM7NQbSmF7WI=
-github.com/VictoriaMetrics/fastcache v1.12.2/go.mod h1:AmC+Nzz1+3G2eCPapF6UcsnkThDcMsQicp4xDukwJYI=
+github.com/VictoriaMetrics/fastcache v1.13.0 h1:AW4mheMR5Vd9FkAPUv+NH6Nhw+fmbTMGMsNAoA/+4G0=
+github.com/VictoriaMetrics/fastcache v1.13.0/go.mod h1:hHXhl4DA2fTL2HTZDJFXWgW0LNjo6B+4aj2Wmng3TjU=
 github.com/adrg/xdg v0.4.0 h1:RzRqFcjH4nE5C6oTAxhBtoE2IRyjBSa62SCbyPidvls=
 github.com/adrg/xdg v0.4.0/go.mod h1:N6ag73EX4wyxeaoeHctc1mas01KZgsj5tYiAIwqJE/E=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
@@ -53,7 +53,6 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuy
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
-github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
 github.com/allegro/bigcache v1.2.1 h1:hg1sY1raCwic3Vnsvje6TT7/pnZba83LeFck5NrFKSc=
 github.com/allegro/bigcache v1.2.1/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
 github.com/andybalholm/brotli v1.1.0 h1:eLKJA0d02Lf0mVpIDgYnqXcUn0GqVmEFny3VuID1U3M=
@@ -118,7 +117,6 @@ github.com/cespare/cp v0.1.0/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW
 github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chelnak/ysmrr v0.6.0 h1:kMhO0oI02tl/9szvxrOE0yeImtrK4KQhER0oXu1K/iM=
@@ -240,8 +238,8 @@ github.com/emicklei/dot v1.6.2 h1:08GN+DD79cy/tzN6uLCT84+2Wk9u+wvqP+Hkx/dIR8A=
 github.com/emicklei/dot v1.6.2/go.mod h1:DeV7GvQtIw4h2u73RKBkkFdvVAz0D9fzeJrgPW6gy/s=
 github.com/ethereum-optimism/go-ethereum-hdwallet v0.1.4-0.20251001155152-4eb15ccedf7e h1:iy1vBIzACYUyOVyoADUwvAiq2eOPC0yVsDUdolPwQjk=
 github.com/ethereum-optimism/go-ethereum-hdwallet v0.1.4-0.20251001155152-4eb15ccedf7e/go.mod h1:DYj7+vYJ4cIB7zera9mv4LcAynCL5u4YVfoeUu6Wa+w=
-github.com/ethereum-optimism/op-geth v1.101604.1-0.20260109132258-733bb5b623f7 h1:VQM98S1gNqKAFGlsqwr1TvHtYgNPM+RUkSH4ia1TG0c=
-github.com/ethereum-optimism/op-geth v1.101604.1-0.20260109132258-733bb5b623f7/go.mod h1:fCNAwDynfAP6EKsmLqwSDUDgi+GtJIir74Ui3fXXMps=
+github.com/ethereum-optimism/op-geth v1.101605.0-rc.1 h1:rzmwuBKOMZnQc4QNBm5iEqBrnEo1M5cbklWHkC5Oszo=
+github.com/ethereum-optimism/op-geth v1.101605.0-rc.1/go.mod h1:9J7De8kDwXE/lrMgVEHc0F33TZqcN1Lb5nYaW6UZt38=
 github.com/ethereum-optimism/superchain-registry/validation v0.0.0-20251121143344-5ac16e0fbb00 h1:TR5Y7B+5m63V0Dno7MHcFqv/XZByQzx/4THV1T1A7+U=
 github.com/ethereum-optimism/superchain-registry/validation v0.0.0-20251121143344-5ac16e0fbb00/go.mod h1:NZ816PzLU1TLv1RdAvYAb6KWOj4Zm5aInT0YpDVml2Y=
 github.com/ethereum/c-kzg-4844/v2 v2.1.5 h1:aVtoLK5xwJ6c5RiqO8g8ptJ5KU+2Hdquf6G3aXiHh5s=
@@ -350,8 +348,8 @@ github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek
 github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
-github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb h1:PBC98N2aIaM3XXiurYmW7fx4GZkL8feAMVq7nEjURHk=
-github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/golang/snappy v1.0.0 h1:Oy607GVXHs7RtbggtPBnr2RmDArIsAefDwvrdWvRhGs=
+github.com/golang/snappy v1.0.0/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/golangci/lint-1 v0.0.0-20181222135242-d2cdd8c08219/go.mod h1:/X8TswGSh1pIozq4ZwCfxS0WA5JGXguxk94ar/4c87Y=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
@@ -1145,7 +1143,6 @@ golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.9.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
 golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
diff --git a/op-chain-ops/cmd/op-simulate/main.go b/op-chain-ops/cmd/op-simulate/main.go
index efe5324946c3a..0d4e1db391b77 100644
--- a/op-chain-ops/cmd/op-simulate/main.go
+++ b/op-chain-ops/cmd/op-simulate/main.go
@@ -238,6 +238,8 @@ type simChainContext struct {
 	cfg  *params.ChainConfig
 }
 
+var _ core.ChainContext = (*simChainContext)(nil)
+
 func (d *simChainContext) Engine() consensus.Engine {
 	return d.eng
 }
@@ -249,6 +251,24 @@ func (d *simChainContext) GetHeader(h common.Hash, n uint64) *types.Header {
 	panic(fmt.Errorf("header retrieval not supported, cannot fetch %s %d", h, n))
 }
 
+func (d *simChainContext) CurrentHeader() *types.Header {
+	return d.head
+}
+
+func (d *simChainContext) GetHeaderByHash(hash common.Hash) *types.Header {
+	if d.head.Hash() == hash {
+		return d.head
+	}
+	panic(fmt.Errorf("header retrieval not supported, cannot fetch %s", hash))
+}
+
+func (d *simChainContext) GetHeaderByNumber(number uint64) *types.Header {
+	if d.head.Number.Uint64() == number {
+		return d.head
+	}
+	panic(fmt.Errorf("header retrieval not supported, cannot fetch %d", number))
+}
+
 func (d *simChainContext) Config() *params.ChainConfig {
 	return d.cfg
 }
diff --git a/op-program/client/l2/fast_canon.go b/op-program/client/l2/fast_canon.go
index dc4973af99a33..82c030d040e13 100644
--- a/op-program/client/l2/fast_canon.go
+++ b/op-program/client/l2/fast_canon.go
@@ -159,6 +159,8 @@ type chainContext struct {
 	config *params.ChainConfig
 }
 
+var _ core.ChainContext = (*chainContext)(nil)
+
 func (c *chainContext) Engine() consensus.Engine {
 	return c.engine
 }
@@ -171,3 +173,15 @@ func (c *chainContext) GetHeader(hash common.Hash, number uint64) *types.Header
 	// The EVM should never call this method during eip-2935 historical block retrieval
 	panic("unexpected call to GetHeader")
 }
+
+func (c *chainContext) CurrentHeader() *types.Header {
+	panic("unimplemented")
+}
+
+func (c *chainContext) GetHeaderByHash(hash common.Hash) *types.Header {
+	panic("unimplemented")
+}
+
+func (c *chainContext) GetHeaderByNumber(number uint64) *types.Header {
+	panic("unimplemented")
+}
diff --git a/op-program/client/mpt/db.go b/op-program/client/mpt/db.go
index 265d591e3a93b..41c749b09c1fe 100644
--- a/op-program/client/mpt/db.go
+++ b/op-program/client/mpt/db.go
@@ -78,6 +78,10 @@ func (p *DB) Ancients() (uint64, error) {
 	panic("not supported")
 }
 
+func (p *DB) AncientBytes(kind string, id uint64, offset uint64, length uint64) ([]byte, error) {
+	panic("not supported")
+}
+
 func (p *DB) Tail() (uint64, error) {
 	panic("not supported")
 }