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Faster txid to u32 parsing

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This commit is contained in:
junderw 2023-07-05 08:39:01 -07:00
parent 390c4a7706
commit 22d357c53c
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GPG Key ID: B256185D3A971908
2 changed files with 12 additions and 12 deletions
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12
backend/src/__tests__/gbt/gbt-tests.ts
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@ -58,11 +58,11 @@ function mempoolFromArrayBuffer(buf: ArrayBuffer): { mempool: ThreadTransaction[
} }
function txidToOrdering(txid: string): number { function txidToOrdering(txid: string): number {
return ( return parseInt(
((parseInt(txid.substring(62, 64), 16) << 24) | txid.substr(62, 2) +
(parseInt(txid.substring(60, 62), 16) << 16) | txid.substr(60, 2) +
(parseInt(txid.substring(58, 60), 16) << 8) | txid.substr(58, 2) +
parseInt(txid.substring(56, 58), 16)) >>> txid.substr(56, 2),
0 16
); );
} }

12
backend/src/api/transaction-utils.ts
View File

@ -158,12 +158,12 @@ class TransactionUtils {
// returns the most significant 4 bytes of the txid as an integer // returns the most significant 4 bytes of the txid as an integer
public txidToOrdering(txid: string): number { public txidToOrdering(txid: string): number {
return ( return parseInt(
((parseInt(txid.substring(62, 64), 16) << 24) | txid.substr(62, 2) +
(parseInt(txid.substring(60, 62), 16) << 16) | txid.substr(60, 2) +
(parseInt(txid.substring(58, 60), 16) << 8) | txid.substr(58, 2) +
parseInt(txid.substring(56, 58), 16)) >>> txid.substr(56, 2),
0 16
); );
} }
} }