Skip to content
This repository has been archived by the owner on Jan 22, 2025. It is now read-only.

fix: splice bytes in-place when reading buffers #2315

Merged
merged 1 commit into from
Mar 13, 2024
Merged

fix: splice bytes in-place when reading buffers #2315

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 4 additions & 8 deletions packages/library-legacy/src/message/legacy.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -284,25 +284,21 @@ export class Message {
const accountCount = shortvec.decodeLength(byteArray);
let accountKeys = [];
for (let i = 0; i < accountCount; i++) {
const account = byteArray.slice(0, PUBLIC_KEY_LENGTH);
byteArray = byteArray.slice(PUBLIC_KEY_LENGTH);
const account = byteArray.splice(0, PUBLIC_KEY_LENGTH);
accountKeys.push(new PublicKey(Buffer.from(account)));
}

const recentBlockhash = byteArray.slice(0, PUBLIC_KEY_LENGTH);
byteArray = byteArray.slice(PUBLIC_KEY_LENGTH);
const recentBlockhash = byteArray.splice(0, PUBLIC_KEY_LENGTH);

const instructionCount = shortvec.decodeLength(byteArray);
let instructions: CompiledInstruction[] = [];
for (let i = 0; i < instructionCount; i++) {
const programIdIndex = byteArray.shift()!;
const accountCount = shortvec.decodeLength(byteArray);
const accounts = byteArray.slice(0, accountCount);
byteArray = byteArray.slice(accountCount);
const accounts = byteArray.splice(0, accountCount);
const dataLength = shortvec.decodeLength(byteArray);
const dataSlice = byteArray.slice(0, dataLength);
const dataSlice = byteArray.splice(0, dataLength);
const data = bs58.encode(Buffer.from(dataSlice));
byteArray = byteArray.slice(dataLength);
instructions.push({
programIdIndex,
accounts,
Expand Down
3 changes: 1 addition & 2 deletions packages/library-legacy/src/transaction/legacy.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -904,8 +904,7 @@ export class Transaction {
const signatureCount = shortvec.decodeLength(byteArray);
let signatures = [];
for (let i = 0; i < signatureCount; i++) {
const signature = byteArray.slice(0, SIGNATURE_LENGTH_IN_BYTES);
byteArray = byteArray.slice(SIGNATURE_LENGTH_IN_BYTES);
const signature = byteArray.splice(0, SIGNATURE_LENGTH_IN_BYTES);
signatures.push(bs58.encode(Buffer.from(signature)));
}

Expand Down
6 changes: 2 additions & 4 deletions packages/library-legacy/src/validator-info.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -83,10 +83,8 @@ export class ValidatorInfo {

const configKeys: Array<ConfigKey> = [];
for (let i = 0; i < 2; i++) {
const publicKey = new PublicKey(byteArray.slice(0, PUBLIC_KEY_LENGTH));
byteArray = byteArray.slice(PUBLIC_KEY_LENGTH);
const isSigner = byteArray.slice(0, 1)[0] === 1;
byteArray = byteArray.slice(1);
const publicKey = new PublicKey(byteArray.splice(0, PUBLIC_KEY_LENGTH));
const isSigner = byteArray.splice(0, 1)[0] === 1;
configKeys.push({publicKey, isSigner});
}

Expand Down
Loading