cosmjs-util/packages/sdk/src/encoding.ts
2020-02-11 19:34:46 +01:00

60 lines
1.3 KiB
TypeScript

import { Encoding } from "@iov/encoding";
import { Msg, StdFee, StdTx } from "./types";
const { toUtf8 } = Encoding;
function sortJson(json: any): any {
if (typeof json !== "object" || json === null) {
return json;
}
if (Array.isArray(json)) {
return json.map(sortJson);
}
const sortedKeys = Object.keys(json).sort();
const result = sortedKeys.reduce(
(accumulator, key) => ({
...accumulator,
[key]: sortJson(json[key]),
}),
{},
);
return result;
}
export function marshalTx(tx: StdTx): Uint8Array {
const json = JSON.stringify(tx);
return Encoding.toUtf8(json);
}
interface SignJson {
readonly account_number: string;
readonly chain_id: string;
readonly fee: StdFee;
readonly memo: string;
readonly msgs: readonly Msg[];
readonly sequence: string;
}
export function makeSignBytes(
msgs: readonly Msg[],
fee: StdFee,
chainId: string,
memo: string,
accountNumber: number,
sequence: number,
): Uint8Array {
const signJson: SignJson = {
// eslint-disable-next-line @typescript-eslint/camelcase
account_number: accountNumber.toString(),
// eslint-disable-next-line @typescript-eslint/camelcase
chain_id: chainId,
fee: fee,
memo: memo,
msgs: msgs,
sequence: sequence.toString(),
};
const signMsg = sortJson(signJson);
return toUtf8(JSON.stringify(signMsg));
}