ethers.js/src.ts/transaction/accesslist.ts
2022-12-02 21:23:13 -05:00

44 lines
1.8 KiB
TypeScript

import { getAddress } from "../address/index.js";
import { assertArgument, isHexString } from "../utils/index.js";
import type { AccessList, AccessListish } from "./index.js";
function accessSetify(addr: string, storageKeys: Array<string>): { address: string,storageKeys: Array<string> } {
return {
address: getAddress(addr),
storageKeys: storageKeys.map((storageKey, index) => {
assertArgument(isHexString(storageKey, 32), "invalid slot", `storageKeys[${ index }]`, storageKey);
return storageKey.toLowerCase();
})
};
}
/**
* Returns a [[AccessList]] from any ethers-supported access-list structure.
*/
export function accessListify(value: AccessListish): AccessList {
if (Array.isArray(value)) {
return (<Array<[ string, Array<string>] | { address: string, storageKeys: Array<string>}>>value).map((set, index) => {
if (Array.isArray(set)) {
assertArgument(set.length === 2, "invalid slot set", `value[${ index }]`, set);
return accessSetify(set[0], set[1])
}
assertArgument(set != null && typeof(set) === "object", "invalid address-slot set", "value", value);
return accessSetify(set.address, set.storageKeys);
});
}
assertArgument(value != null && typeof(value) === "object", "invalid access list", "value", value);
const result: Array<{ address: string, storageKeys: Array<string> }> = Object.keys(value).map((addr) => {
const storageKeys: Record<string, true> = value[addr].reduce((accum, storageKey) => {
accum[storageKey] = true;
return accum;
}, <Record<string, true>>{ });
return accessSetify(addr, Object.keys(storageKeys).sort())
});
result.sort((a, b) => (a.address.localeCompare(b.address)));
return result;
}