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Update contract_addresses.ts

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This commit is contained in:
Simon Warta 2022-09-21 20:39:02 +02:00
parent 64cf77532a
commit 4de6c7ed7f
1 changed files with 40 additions and 20 deletions
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60
packages/cli/examples/contract_addresses.ts
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@ -22,11 +22,19 @@ function toUint8(int: number): number {
return checked;
}
/** See https://github.com/CosmWasm/wasmd/issues/942 */
function deterministicContractAddress(checksum: Uint8Array, creator: string, label: string, prefix: string) {
/** See https://github.com/CosmWasm/wasmd/pull/1014 */
function deterministicContractAddress(
checksum: Uint8Array,
creator: string,
salt: Uint8Array,
msg: Uint8Array,
prefix: string,
) {
assert(checksum.length === 32);
const creatorData = fromBech32(creator).data;
const labelData = toUtf8(label);
// Validate inputs
if (salt.length < 1 || salt.length > 64) throw new Error("Salt must be between 1 and 64 bytes");
const key = new Uint8Array([
...toAscii("wasm"),
@ -35,8 +43,10 @@ function deterministicContractAddress(checksum: Uint8Array, creator: string, lab
...checksum,
toUint8(creatorData.length),
...creatorData,
toUint8(labelData.length),
...labelData,
toUint8(salt.length),
...salt,
toUint8(msg.length),
...msg,
]);
const addressData = hash("module", key);
return toBech32(prefix, addressData);
@ -60,24 +70,34 @@ const checksums = [
fromHex("13a1fc994cc6d1c81b746ee0c0ff6f90043875e0bf1d9be6b7d779fc978dc2a5"),
fromHex("1da6c16de2cbaf7ad8cbb66f0925ba33f5c278cb2491762d04658c1480ea229b"),
];
const salts = [
toUtf8("a"),
fromHex(
"AABBCCDDEEFFFFEEDDBBCCDDAA66551155aaaaBBCC787878789900AABBCCDDEEFFFFEEDDBBCCDDAA66551155aaaaBBCC787878789900aabbbbcc221100acadae",
),
];
const msgs = [null, JSON.stringify({}), JSON.stringify({ some: 123, structure: { nested: ["ok", true] } })];
for (let checksum of checksums) {
for (let creator of [makeTestingAddress(20), makeTestingAddress(32)]) {
for (let label of ["instance 1", "instance 2"]) {
const contractAddress = deterministicContractAddress(checksum, creator, label, "purple");
out.push({
in: {
checksum: toHex(checksum).toUpperCase(),
creator,
creatorData: toHex(fromBech32(creator).data).toUpperCase(),
label,
},
out: {
contractAddress,
contractAddressData: toHex(fromBech32(contractAddress).data).toUpperCase(),
},
});
for (let salt of salts) {
for (let msg of msgs) {
const encodedMsg = typeof msg === "string" ? toUtf8(msg) : new Uint8Array();
const contractAddress = deterministicContractAddress(checksum, creator, salt, encodedMsg, "purple");
out.push({
in: {
checksum: toHex(checksum),
creator,
creatorData: toHex(fromBech32(creator).data),
salt: toHex(checksum),
msg,
},
out: {
contractAddress,
contractAddressData: toHex(fromBech32(contractAddress).data),
},
});
}
}
}
}