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Minor readability improvements (#952)

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* Minor readability improvements

* trigger

* Additional

* Additional
This commit is contained in:
Jaco
2021-04-21 10:31:28 +02:00
committed by GitHub
parent 1de30914c2
commit 3a98323e8b
14 changed files with 52 additions and 70 deletions
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packages/util-crypto/src/address/encode.ts
+14 -14
View File
@@ -11,27 +11,27 @@ import { decodeAddress } from './decode';
import { defaults } from './defaults';
import { sshash } from './sshash';
export function encodeAddress (_key: Uint8Array | string, ss58Format: Prefix = defaults.prefix): string {
export function encodeAddress (key: Uint8Array | string, ss58Format: Prefix = defaults.prefix): string {
// decode it, this means we can re-encode an address
const key = decodeAddress(_key);
const u8a = decodeAddress(key);
assert(ss58Format >= 0 && ss58Format <= 16383 && ![46, 47].includes(ss58Format), 'Out of range ss58Format specified');
assert(defaults.allowedDecodedLengths.includes(key.length), `Expected a valid key to convert, with length ${defaults.allowedDecodedLengths.join(', ')}`);
assert(defaults.allowedDecodedLengths.includes(u8a.length), `Expected a valid key to convert, with length ${defaults.allowedDecodedLengths.join(', ')}`);
const isPublicKey = [32, 33].includes(key.length);
const input = u8aConcat(
new Uint8Array(
ss58Format < 64
? [ss58Format]
: [
((ss58Format & 0b0000_0000_1111_1100) >> 2) | 0b0100_0000,
(ss58Format >> 8) | ((ss58Format & 0b0000_0000_0000_0011) << 6)
]
),
key
ss58Format < 64
? [ss58Format]
: [
((ss58Format & 0b0000_0000_1111_1100) >> 2) | 0b0100_0000,
(ss58Format >> 8) | ((ss58Format & 0b0000_0000_0000_0011) << 6)
],
u8a
);
return base58Encode(
u8aConcat(input, sshash(input).subarray(0, isPublicKey ? 2 : 1))
u8aConcat(
input,
sshash(input).subarray(0, [32, 33].includes(u8a.length) ? 2 : 1)
)
);
}