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Use toUint64

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This commit is contained in:
Simon Warta 2022-09-22 11:28:48 +02:00
parent 4de6c7ed7f
commit 09bdaed37d
1 changed files with 8 additions and 12 deletions
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20
packages/cli/examples/contract_addresses.ts
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@ -1,6 +1,6 @@
import { fromBech32, fromHex, fromUtf8, toAscii, toBech32, toHex, toUtf8 } from "@cosmjs/encoding";
import { Sha256, sha256 } from "@cosmjs/crypto";
import { Uint53 } from "@cosmjs/math";
import { Uint64 } from "@cosmjs/math";
import { assert } from "@cosmjs/utils";
/**
@ -12,14 +12,10 @@ function hash(type: string, key: Uint8Array): Uint8Array {
}
/**
* Takes an integer [0, 255] and returns a one-byte encoding of it.
* Takes an integer [0, 2**64-1] and returns a one-byte encoding of it.
*/
function toUint8(int: number): number {
const checked = new Uint53(int).toNumber();
if (checked > 255) {
throw new Error("Integer exceeds uint8 range");
}
return checked;
function toUint64(int: number): Uint8Array {
return Uint64.fromNumber(int).toBytesBigEndian();
}
/** See https://github.com/CosmWasm/wasmd/pull/1014 */
@ -39,13 +35,13 @@ function deterministicContractAddress(
const key = new Uint8Array([
...toAscii("wasm"),
0x00,
toUint8(checksum.length),
...toUint64(checksum.length),
...checksum,
toUint8(creatorData.length),
...toUint64(creatorData.length),
...creatorData,
toUint8(salt.length),
...toUint64(salt.length),
...salt,
toUint8(msg.length),
...toUint64(msg.length),
...msg,
]);
const addressData = hash("module", key);