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Add SV2 DATUM payout hardening

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Ben
2026-06-12 23:54:50 -04:00
parent bcd6bb0aa7
commit a33c530268
59 changed files with 7852 additions and 81 deletions
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src/models/sv2/sv2-extranonce-manager.ts
+11 -7
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@@ -1,4 +1,6 @@
// ── SV2 Extranonce Manager ──────────────────────────────────────────
import { SV2_EXTENDED_TOTAL_EXTRANONCE_SIZE_BYTES } from '../stratum.constants';
// -- SV2 Extranonce Manager ------------------------------------------
// Manages extranonce prefix allocation for extended mining channels.
// Ensures no two channels share the same prefix to prevent hash collisions.
@@ -13,13 +15,11 @@ export class Sv2ExtranonceManager {
/**
* @param prefixSize Bytes used for pool-assigned prefix (default 4)
* @param totalExtranonceSize Total extranonce bytes (default 12: 4 prefix + 8 miner-controlled).
* Must match MiningJob.ts's coinbase slot size (12 bytes) — both
* protocols share the same coinbase template. Bumped from the
* previous 8-byte total because the Braiins Hashpower marketplace
* requires extranonce2_size >= 7 (compatibility spec).
* @param totalExtranonceSize Total extranonce bytes (default 14: 4 prefix + 10 miner/JDC-controlled).
* SV2 extended jobs patch the coinbase script length when the
* negotiated total differs from the SV1-compatible template slot.
*/
constructor(prefixSize = 4, totalExtranonceSize = 12) {
constructor(prefixSize = 4, totalExtranonceSize = SV2_EXTENDED_TOTAL_EXTRANONCE_SIZE_BYTES) {
this.prefixSize = prefixSize;
this.totalExtranonceSize = totalExtranonceSize;
@@ -34,6 +34,10 @@ export class Sv2ExtranonceManager {
return this.totalExtranonceSize - this.prefixSize;
}
get totalSize(): number {
return this.totalExtranonceSize;
}
/**
* Allocate a unique extranonce prefix for a channel.
* Returns a Buffer of `prefixSize` bytes.