cosmjs-util/packages/launchpad/src/encoding.ts

65 lines
1.7 KiB
TypeScript

/* eslint-disable @typescript-eslint/naming-convention */
import { toUtf8 } from "@cosmjs/encoding";
import { Uint53 } from "@cosmjs/math";
import { Msg } from "./msgs";
import { StdFee } from "./types";
function sortedObject(obj: any): any {
if (typeof obj !== "object" || obj === null) {
return obj;
}
if (Array.isArray(obj)) {
return obj.map(sortedObject);
}
const sortedKeys = Object.keys(obj).sort();
const result: Record<string, any> = {};
// NOTE: Use forEach instead of reduce for performance with large objects eg Wasm code
sortedKeys.forEach((key) => {
result[key] = sortedObject(obj[key]);
});
return result;
}
/** Returns a JSON string with objects sorted by key */
// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
export function sortedJsonStringify(obj: any): string {
return JSON.stringify(sortedObject(obj));
}
/**
* The document to be signed
*
* @see https://docs.cosmos.network/master/modules/auth/03_types.html#stdsigndoc
*/
export interface StdSignDoc {
readonly chain_id: string;
readonly account_number: string;
readonly sequence: string;
readonly fee: StdFee;
readonly msgs: readonly Msg[];
readonly memo: string;
}
export function makeSignDoc(
msgs: readonly Msg[],
fee: StdFee,
chainId: string,
memo: string | undefined,
accountNumber: number | string,
sequence: number | string,
): StdSignDoc {
return {
chain_id: chainId,
account_number: Uint53.fromString(accountNumber.toString()).toString(),
sequence: Uint53.fromString(sequence.toString()).toString(),
fee: fee,
msgs: msgs,
memo: memo || "",
};
}
export function serializeSignDoc(signDoc: StdSignDoc): Uint8Array {
return toUtf8(sortedJsonStringify(signDoc));
}