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markodayan/calc-block-header.ts

Created August 22, 2022 04:06
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Calculate Ethereum block header
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calc-block-header.ts
import createKeccakHash from 'keccak';
function calculateBlockHeader(block: IRawBlock): string {
const tuple = prepareBlockTuple(block);
const encoded = Buffer.from(encode(tuple));
const calculated = createKeccakHash('keccak256').update(encoded).digest('hex');
return '0x' + calculated;
}
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