@lodestar/prover
Version:
A Typescript implementation of the Ethereum Consensus light client
53 lines • 1.96 kB
JavaScript
import { Common, CustomChain, Hardfork } from "@ethereumjs/common";
import { isValidResponse } from "./json_rpc.js";
import { isBlockNumber, isPresent } from "./validation.js";
export async function getELCode(rpc, args) {
const codeResult = await rpc.request("eth_getCode", args, { raiseError: false });
if (!isValidResponse(codeResult)) {
throw new Error(`Can not find code for address=${args[0]}`);
}
return codeResult.result;
}
export async function getELProof(rpc, args) {
const proof = await rpc.request("eth_getProof", args, { raiseError: false });
if (!isValidResponse(proof)) {
throw new Error(`Can not find proof for address=${args[0]}`);
}
return proof.result;
}
export async function getELBlock(rpc, args) {
const block = await rpc.request(isBlockNumber(args[0]) ? "eth_getBlockByNumber" : "eth_getBlockByHash", args, {
raiseError: false,
});
if (!isValidResponse(block)) {
throw new Error(`Can not find block. id=${args[0]}`);
}
return block.result;
}
export function getChainCommon(network) {
switch (network) {
case "mainnet":
case "sepolia":
case "holesky":
case "ephemery":
// TODO: Not sure how to detect the fork during runtime
return new Common({ chain: network, hardfork: Hardfork.Shanghai });
case "minimal":
// TODO: Not sure how to detect the fork during runtime
return new Common({ chain: "mainnet", hardfork: Hardfork.Shanghai });
case "gnosis":
return new Common({ chain: CustomChain.xDaiChain });
default:
throw new Error(`Non supported network "${network}"`);
}
}
export function getTxType(tx) {
if (isPresent(tx.maxFeePerGas) || isPresent(tx.maxPriorityFeePerGas)) {
return 2;
}
if (isPresent(tx.accessList)) {
return 1;
}
return 0;
}
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