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Update to use checksum instead of code_id

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This commit is contained in:
Simon Warta 2022-09-05 15:20:27 +02:00
parent ae587c40d4
commit 64cf77532a
1 changed files with 22 additions and 15 deletions
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37
packages/cli/examples/contract_addresses.ts
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@ -1,6 +1,7 @@
import { fromBech32, fromUtf8, toAscii, toBech32, toHex, toUtf8 } from "@cosmjs/encoding"; import { fromBech32, fromHex, fromUtf8, toAscii, toBech32, toHex, toUtf8 } from "@cosmjs/encoding";
import { Sha256, sha256 } from "@cosmjs/crypto"; import { Sha256, sha256 } from "@cosmjs/crypto";
import { Uint53, Uint64 } from "@cosmjs/math"; import { Uint53 } from "@cosmjs/math";
import { assert } from "@cosmjs/utils";
/** /**
* The "Basic Address" Hash from * The "Basic Address" Hash from
@ -22,15 +23,16 @@ function toUint8(int: number): number {
} }
/** See https://github.com/CosmWasm/wasmd/issues/942 */ /** See https://github.com/CosmWasm/wasmd/issues/942 */
function deterministicContractAddress(codeId: number, creator: string, label: string, prefix: string) { function deterministicContractAddress(checksum: Uint8Array, creator: string, label: string, prefix: string) {
const codeIdUint64 = Uint64.fromNumber(codeId); assert(checksum.length === 32);
const creatorData = fromBech32(creator).data; const creatorData = fromBech32(creator).data;
const labelData = toUtf8(label); const labelData = toUtf8(label);
const key = new Uint8Array([ const key = new Uint8Array([
...toAscii("wasm"), ...toAscii("wasm"),
0x00, 0x00,
...codeIdUint64.toBytesBigEndian(), toUint8(checksum.length),
...checksum,
toUint8(creatorData.length), toUint8(creatorData.length),
...creatorData, ...creatorData,
toUint8(labelData.length), toUint8(labelData.length),
@ -43,28 +45,33 @@ function deterministicContractAddress(codeId: number, creator: string, label: st
function makeTestingAddress(length: number): string { function makeTestingAddress(length: number): string {
let data = new Uint8Array(length); let data = new Uint8Array(length);
data.fill(0x99, 0); data.fill(0x99, 0);
data.fill(0xAA, 5); data.fill(0xaa, 5);
data.fill(0xBB, 10); data.fill(0xbb, 10);
data.fill(0xCC, 15); data.fill(0xcc, 15);
data.fill(0xDD, 20); data.fill(0xdd, 20);
data.fill(0xEE, 25); data.fill(0xee, 25);
data.fill(0xFF, 30); data.fill(0xff, 30);
return toBech32("purple", data); return toBech32("purple", data);
} }
let out: Array<any> = []; let out: Array<any> = [];
for (let codeId of [1, Number.MAX_SAFE_INTEGER]) { const checksums = [
fromHex("13a1fc994cc6d1c81b746ee0c0ff6f90043875e0bf1d9be6b7d779fc978dc2a5"),
fromHex("1da6c16de2cbaf7ad8cbb66f0925ba33f5c278cb2491762d04658c1480ea229b"),
];
for (let checksum of checksums) {
for (let creator of [makeTestingAddress(20), makeTestingAddress(32)]) { for (let creator of [makeTestingAddress(20), makeTestingAddress(32)]) {
for (let label of ["instance 1", "instance 2"]) { for (let label of ["instance 1", "instance 2"]) {
const contractAddress = deterministicContractAddress(codeId, creator, label, "purple"); const contractAddress = deterministicContractAddress(checksum, creator, label, "purple");
out.push({ out.push({
in: { in: {
codeId, checksum: toHex(checksum).toUpperCase(),
label,
creator, creator,
creatorData: toHex(fromBech32(creator).data).toUpperCase(), creatorData: toHex(fromBech32(creator).data).toUpperCase(),
label,
}, },
out: { out: {
contractAddress, contractAddress,