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fix: arbitrum block header #25

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fix: arbitrum block header #25

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ab99487
fix: arbitrum block header
gzeoneth Dec 20, 2023
897e5bd
fix: offchainlabs/go-ethereum
gzeoneth Dec 20, 2023
1945e20
fix: zero encoding
gzeoneth Dec 20, 2023
8d5b2ff
fix: remove
gzeoneth Dec 20, 2023
307cf85
fix: toBeHex
gzeoneth Dec 20, 2023
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5 changes: 4 additions & 1 deletion arb-gateway/src/ArbProofService.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -95,6 +95,7 @@ export class ArbProofService implements IProofService<ArbProvableBlock> {
const nodeIndex = await this.rollup.latestNodeCreated()
const [l2blockRaw, sendRoot] = await this.getL2BlockForNode(nodeIndex)

// https://github.com/OffchainLabs/go-ethereum/blob/b1622e6ac4bf3762aebde92a585de2889d90823f/core/types/block.go#L65
const blockarray = [
l2blockRaw.parentHash,
l2blockRaw.sha3Uncles,
Expand All @@ -112,7 +113,9 @@ export class ArbProofService implements IProofService<ArbProvableBlock> {
l2blockRaw.mixHash,
l2blockRaw.nonce,
toBeHex(l2blockRaw.baseFeePerGas)
]
].map((item) => {
return item == '0x00' ? "0x" : item
})

//Rlp encode the block to pass it as an argument
const rlpEncodedBlock = ethers.encodeRlp(blockarray)
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