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Do not set up pre-execution and request processors for PoA networks #9623

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Merged
matkt merged 6 commits into from
Jan 19, 2026
Merged

Do not set up pre-execution and request processors for PoA networks #9623

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c769991
Do not set up pre-execution and request processors for PoA networks
mirgee Jan 12, 2026
fd43438
Fix failing code delegation acceptance test by running node in PoS mode
mirgee Jan 18, 2026
73f892f
Merge branch 'main' into no-system-call-processors-for-poa
matkt Jan 19, 2026
4e20dcb
fix acceptances tests using ethash
matkt Jan 19, 2026
923aa16
Merge branch 'main' into no-system-call-processors-for-poa
matkt Jan 19, 2026
1174ac1
Merge branch 'main' into no-system-call-processors-for-poa
matkt Jan 19, 2026
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9 changes: 3 additions & 6 deletions acceptance-tests/tests/src/test/resources/dev/dev_prague.json
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Original file line number Diff line number Diff line change
Expand Up @@ -32,10 +32,7 @@
"baseFeeUpdateFraction": 5007716
}
},
"clique": {
"period": 5,
"epoch": 30000
},
"ethash": {},
"depositContractAddress": "0x4242424242424242424242424242424242424242",
"withdrawalRequestContractAddress": "0x00A3ca265EBcb825B45F985A16CEFB49958cE017",
"consolidationRequestContractAddress": "0x00b42dbF2194e931E80326D950320f7d9Dbeac02"
Expand All @@ -44,7 +41,7 @@
"timestamp":"0x0",
"extraData":"0x0000000000000000000000000000000000000000000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"gasLimit":"0x1C9C380",
"difficulty":"0x400000000",
"difficulty":"0x0",
"mixHash":"0x0000000000000000000000000000000000000000000000000000000000000000",
"coinbase":"0x0000000000000000000000000000000000000000",
"alloc":{
Expand Down Expand Up @@ -142,4 +139,4 @@
"gasUsed":"0x0",
"parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000",
"baseFeePerGas":"0x7"
}
}
39 changes: 28 additions & 11 deletions ethereum/core/src/main/java/org/hyperledger/besu/ethereum/mainnet/MainnetProtocolSpecs.java
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Original file line number Diff line number Diff line change
Expand Up @@ -866,7 +866,10 @@ static ProtocolSpecBuilder cancunDefinition(
evm.getMaxInitcodeSize()))
.precompileContractRegistryBuilder(MainnetPrecompiledContractRegistries::cancun)
.blockHeaderValidatorBuilder(MainnetBlockHeaderValidator::blobAwareBlockHeaderValidator)
.preExecutionProcessor(new CancunPreExecutionProcessor())
.preExecutionProcessor(
isPoAConsensus(genesisConfigOptions)
? new FrontierPreExecutionProcessor()
: new CancunPreExecutionProcessor())
.hardforkId(CANCUN);
}

Expand Down Expand Up @@ -947,22 +950,36 @@ static ProtocolSpecBuilder pragueDefinition(
new CodeDelegationService()))
.build())
// EIP-2935 Blockhash processor
.preExecutionProcessor(new PraguePreExecutionProcessor())
.preExecutionProcessor(
isPoAConsensus(genesisConfigOptions)
? new FrontierPreExecutionProcessor()
: new PraguePreExecutionProcessor())
.hardforkId(PRAGUE);
try {
RequestContractAddresses requestContractAddresses =
RequestContractAddresses.fromGenesis(genesisConfigOptions);

pragueSpecBuilder.requestProcessorCoordinator(
pragueRequestsProcessors(requestContractAddresses));
} catch (NoSuchElementException nsee) {
LOG.warn("Prague definitions require system contract addresses in genesis");
throw nsee;
if (isPoAConsensus(genesisConfigOptions)) {
LOG.debug(
"Skipping system contract request processors for PoA consensus (clique/ibft/qbft).");
} else {
try {
RequestContractAddresses requestContractAddresses =
RequestContractAddresses.fromGenesis(genesisConfigOptions);

pragueSpecBuilder.requestProcessorCoordinator(
pragueRequestsProcessors(requestContractAddresses));
} catch (NoSuchElementException nsee) {
LOG.warn("Prague definitions require system contract addresses in genesis");
throw nsee;
}
}

return pragueSpecBuilder;
}

private static boolean isPoAConsensus(final GenesisConfigOptions genesisConfigOptions) {
return genesisConfigOptions.isClique()
|| genesisConfigOptions.isIbft2()
|| genesisConfigOptions.isQbft();
}

static ProtocolSpecBuilder osakaDefinition(
final Optional<BigInteger> chainId,
final boolean enableRevertReason,
Expand Down
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