Files
public-pool/src/models/sv2/sv2-messages.ts
T
2026-06-05 13:14:09 -04:00

479 lines
15 KiB
TypeScript

// ── SV2 Mining Protocol Messages ────────────────────────────────────
// Interfaces + serialize/deserialize for each message needed for
// standard mining channels.
import { BufferReader, BufferWriter } from './sv2-binary-codec';
// ── SetupConnection (0x00) ──────────────────────────────────────────
export interface Sv2SetupConnection {
protocol: number; // U8 (0 = Mining, 1 = Job Declaration, 2 = Template Distribution)
minVersion: number; // U16
maxVersion: number; // U16
flags: number; // U32
endpoint_host: string; // STR0_255
endpoint_port: number; // U16
vendor: string; // STR0_255
hardwareVersion: string; // STR0_255
firmwareVersion: string; // STR0_255
deviceId: string; // STR0_255
}
export function serializeSetupConnection(msg: Sv2SetupConnection): Buffer {
const w = new BufferWriter();
w.writeU8(msg.protocol);
w.writeU16(msg.minVersion);
w.writeU16(msg.maxVersion);
w.writeU32(msg.flags);
w.writeStr0_255(msg.endpoint_host);
w.writeU16(msg.endpoint_port);
w.writeStr0_255(msg.vendor);
w.writeStr0_255(msg.hardwareVersion);
w.writeStr0_255(msg.firmwareVersion);
w.writeStr0_255(msg.deviceId);
return w.toBuffer();
}
export function deserializeSetupConnection(reader: BufferReader): Sv2SetupConnection {
return {
protocol: reader.readU8(),
minVersion: reader.readU16(),
maxVersion: reader.readU16(),
flags: reader.readU32(),
endpoint_host: reader.readStr0_255(),
endpoint_port: reader.readU16(),
vendor: reader.readStr0_255(),
hardwareVersion: reader.readStr0_255(),
firmwareVersion: reader.readStr0_255(),
deviceId: reader.readStr0_255(),
};
}
// ── SetupConnectionSuccess (0x01) ───────────────────────────────────
export interface Sv2SetupConnectionSuccess {
usedVersion: number; // U16
flags: number; // U32
}
export function serializeSetupConnectionSuccess(msg: Sv2SetupConnectionSuccess): Buffer {
const w = new BufferWriter();
w.writeU16(msg.usedVersion);
w.writeU32(msg.flags);
return w.toBuffer();
}
export function deserializeSetupConnectionSuccess(reader: BufferReader): Sv2SetupConnectionSuccess {
return {
usedVersion: reader.readU16(),
flags: reader.readU32(),
};
}
// ── SetupConnectionError (0x02) ─────────────────────────────────────
export interface Sv2SetupConnectionError {
flags: number; // U32
errorCode: string; // STR0_255
}
export function serializeSetupConnectionError(msg: Sv2SetupConnectionError): Buffer {
const w = new BufferWriter();
w.writeU32(msg.flags);
w.writeStr0_255(msg.errorCode);
return w.toBuffer();
}
export function deserializeSetupConnectionError(reader: BufferReader): Sv2SetupConnectionError {
return {
flags: reader.readU32(),
errorCode: reader.readStr0_255(),
};
}
// ── ChannelEndpointChanged (0x03) ───────────────────────────────────
export interface Sv2ChannelEndpointChanged {
channelId: number; // U32
}
export function serializeChannelEndpointChanged(msg: Sv2ChannelEndpointChanged): Buffer {
const w = new BufferWriter();
w.writeU32(msg.channelId);
return w.toBuffer();
}
export function deserializeChannelEndpointChanged(reader: BufferReader): Sv2ChannelEndpointChanged {
return {
channelId: reader.readU32(),
};
}
// ── OpenStandardMiningChannel (0x10) ────────────────────────────────
export interface Sv2OpenStandardMiningChannel {
requestId: number; // U32
user_identity: string; // STR0_255
nominalHashRate: number; // F32
maxTarget: Buffer; // U256 (32 bytes LE)
}
export function serializeOpenStandardMiningChannel(msg: Sv2OpenStandardMiningChannel): Buffer {
const w = new BufferWriter();
w.writeU32(msg.requestId);
w.writeStr0_255(msg.user_identity);
w.writeF32(msg.nominalHashRate);
w.writeU256(msg.maxTarget);
return w.toBuffer();
}
export function deserializeOpenStandardMiningChannel(
reader: BufferReader,
): Sv2OpenStandardMiningChannel {
return {
requestId: reader.readU32(),
user_identity: reader.readStr0_255(),
nominalHashRate: reader.readF32(),
maxTarget: reader.readU256(),
};
}
// ── OpenStandardMiningChannelSuccess (0x11) ─────────────────────────
export interface Sv2OpenStandardMiningChannelSuccess {
requestId: number; // U32
channelId: number; // U32
target: Buffer; // U256 (32 bytes LE)
extranonce_prefix: Buffer; // B0_32
groupChannelId: number; // U32
}
export function serializeOpenStandardMiningChannelSuccess(
msg: Sv2OpenStandardMiningChannelSuccess,
): Buffer {
const w = new BufferWriter();
w.writeU32(msg.requestId);
w.writeU32(msg.channelId);
w.writeU256(msg.target);
w.writeB0_32(msg.extranonce_prefix);
w.writeU32(msg.groupChannelId);
return w.toBuffer();
}
export function deserializeOpenStandardMiningChannelSuccess(
reader: BufferReader,
): Sv2OpenStandardMiningChannelSuccess {
return {
requestId: reader.readU32(),
channelId: reader.readU32(),
target: reader.readU256(),
extranonce_prefix: reader.readB0_32(),
groupChannelId: reader.readU32(),
};
}
// ── OpenMiningChannel.Error (0x12) ──────────────────────────────────
export interface Sv2OpenMiningChannelError {
requestId: number; // U32
errorCode: string; // STR0_255
}
export function serializeOpenMiningChannelError(msg: Sv2OpenMiningChannelError): Buffer {
const w = new BufferWriter();
w.writeU32(msg.requestId);
w.writeStr0_255(msg.errorCode);
return w.toBuffer();
}
export function deserializeOpenMiningChannelError(reader: BufferReader): Sv2OpenMiningChannelError {
return {
requestId: reader.readU32(),
errorCode: reader.readStr0_255(),
};
}
// ── NewMiningJob (0x15) ─────────────────────────────────────────────
export interface Sv2NewMiningJob {
channelId: number; // U32
jobId: number; // U32
minNtime: number | null; // Sv2Option<U32> - null = future job, number = min ntime value
version: number; // U32
merkleRoot: Buffer; // U256 (32 bytes)
}
export function serializeNewMiningJob(msg: Sv2NewMiningJob): Buffer {
const w = new BufferWriter();
w.writeU32(msg.channelId);
w.writeU32(msg.jobId);
w.writeOptionU32(msg.minNtime);
w.writeU32(msg.version);
w.writeU256(msg.merkleRoot);
return w.toBuffer();
}
export function deserializeNewMiningJob(reader: BufferReader): Sv2NewMiningJob {
return {
channelId: reader.readU32(),
jobId: reader.readU32(),
minNtime: reader.readOptionU32(),
version: reader.readU32(),
merkleRoot: reader.readU256(),
};
}
// ── SetNewPrevHash (0x20) ───────────────────────────────────────────
export interface Sv2SetNewPrevHash {
channelId: number; // U32
jobId: number; // U32
prevHash: Buffer; // U256 (32 bytes)
minNtime: number; // U32
nBits: number; // U32
}
export function serializeSetNewPrevHash(msg: Sv2SetNewPrevHash): Buffer {
const w = new BufferWriter();
w.writeU32(msg.channelId);
w.writeU32(msg.jobId);
w.writeU256(msg.prevHash);
w.writeU32(msg.minNtime);
w.writeU32(msg.nBits);
return w.toBuffer();
}
export function deserializeSetNewPrevHash(reader: BufferReader): Sv2SetNewPrevHash {
return {
channelId: reader.readU32(),
jobId: reader.readU32(),
prevHash: reader.readU256(),
minNtime: reader.readU32(),
nBits: reader.readU32(),
};
}
// ── SetTarget (0x21) ────────────────────────────────────────────────
export interface Sv2SetTarget {
channelId: number; // U32
maxTarget: Buffer; // U256 (32 bytes)
}
export function serializeSetTarget(msg: Sv2SetTarget): Buffer {
const w = new BufferWriter();
w.writeU32(msg.channelId);
w.writeU256(msg.maxTarget);
return w.toBuffer();
}
export function deserializeSetTarget(reader: BufferReader): Sv2SetTarget {
return {
channelId: reader.readU32(),
maxTarget: reader.readU256(),
};
}
// ── SubmitSharesStandard (0x1a) ─────────────────────────────────────
export interface Sv2SubmitSharesStandard {
channelId: number; // U32
sequenceNumber: number; // U32
jobId: number; // U32
nonce: number; // U32
ntime: number; // U32
version: number; // U32
}
export function serializeSubmitSharesStandard(msg: Sv2SubmitSharesStandard): Buffer {
const w = new BufferWriter();
w.writeU32(msg.channelId);
w.writeU32(msg.sequenceNumber);
w.writeU32(msg.jobId);
w.writeU32(msg.nonce);
w.writeU32(msg.ntime);
w.writeU32(msg.version);
return w.toBuffer();
}
export function deserializeSubmitSharesStandard(reader: BufferReader): Sv2SubmitSharesStandard {
return {
channelId: reader.readU32(),
sequenceNumber: reader.readU32(),
jobId: reader.readU32(),
nonce: reader.readU32(),
ntime: reader.readU32(),
version: reader.readU32(),
};
}
// ── SubmitSharesSuccess (0x1c) ──────────────────────────────────────
export interface Sv2SubmitSharesSuccess {
channelId: number; // U32
lastSequenceNumber: number; // U32
newSubmitsAcceptedCount: number; // U32
newSharesSum: bigint; // U64
}
export function serializeSubmitSharesSuccess(msg: Sv2SubmitSharesSuccess): Buffer {
const w = new BufferWriter();
w.writeU32(msg.channelId);
w.writeU32(msg.lastSequenceNumber);
w.writeU32(msg.newSubmitsAcceptedCount);
w.writeU64(msg.newSharesSum);
return w.toBuffer();
}
export function deserializeSubmitSharesSuccess(reader: BufferReader): Sv2SubmitSharesSuccess {
return {
channelId: reader.readU32(),
lastSequenceNumber: reader.readU32(),
newSubmitsAcceptedCount: reader.readU32(),
newSharesSum: reader.readU64(),
};
}
// ── SubmitSharesError (0x1d) ────────────────────────────────────────
export interface Sv2SubmitSharesError {
channelId: number; // U32
sequenceNumber: number; // U32
errorCode: string; // STR0_255
}
export function serializeSubmitSharesError(msg: Sv2SubmitSharesError): Buffer {
const w = new BufferWriter();
w.writeU32(msg.channelId);
w.writeU32(msg.sequenceNumber);
w.writeStr0_255(msg.errorCode);
return w.toBuffer();
}
export function deserializeSubmitSharesError(reader: BufferReader): Sv2SubmitSharesError {
return {
channelId: reader.readU32(),
sequenceNumber: reader.readU32(),
errorCode: reader.readStr0_255(),
};
}
// ── CloseChannel (0x18) ─────────────────────────────────────────────
export interface Sv2CloseChannel {
channelId: number; // U32
reasonCode: string; // STR0_255
}
export function serializeCloseChannel(msg: Sv2CloseChannel): Buffer {
const w = new BufferWriter();
w.writeU32(msg.channelId);
w.writeStr0_255(msg.reasonCode);
return w.toBuffer();
}
export function deserializeCloseChannel(reader: BufferReader): Sv2CloseChannel {
return {
channelId: reader.readU32(),
reasonCode: reader.readStr0_255(),
};
}
// ── UpdateChannel (0x16) ────────────────────────────────────────────
export interface Sv2UpdateChannel {
channelId: number; // U32
nominalHashRate: number; // F32
maximumTarget: Buffer; // U256 (32 bytes LE)
}
export function serializeUpdateChannel(msg: Sv2UpdateChannel): Buffer {
const w = new BufferWriter();
w.writeU32(msg.channelId);
w.writeF32(msg.nominalHashRate);
w.writeU256(msg.maximumTarget);
return w.toBuffer();
}
export function deserializeUpdateChannel(reader: BufferReader): Sv2UpdateChannel {
return {
channelId: reader.readU32(),
nominalHashRate: reader.readF32(),
maximumTarget: reader.readU256(),
};
}
// ── UpdateChannel.Error (0x17) ──────────────────────────────────────
export interface Sv2UpdateChannelError {
channelId: number; // U32
errorCode: string; // STR0_255
}
export function serializeUpdateChannelError(msg: Sv2UpdateChannelError): Buffer {
const w = new BufferWriter();
w.writeU32(msg.channelId);
w.writeStr0_255(msg.errorCode);
return w.toBuffer();
}
export function deserializeUpdateChannelError(reader: BufferReader): Sv2UpdateChannelError {
return {
channelId: reader.readU32(),
errorCode: reader.readStr0_255(),
};
}
// ── Extension 1: Extensions Negotiation (extension_type = 0x0001) ───
// Spec: extensions/0x0001-extensions-negotiation.md
// RequestExtensions msgType 0x00 (client → pool)
// RequestExtensions.Success msgType 0x01 (pool → client)
// RequestExtensions.Error msgType 0x02 (pool → client)
export const SV2_EXTENSION_NEGOTIATION_ID = 0x0001;
export interface Sv2RequestExtensions {
requestId: number; // U16
requestedExtensions: number[]; // SEQ0_64K[U16]
}
export function deserializeRequestExtensions(reader: BufferReader): Sv2RequestExtensions {
return {
requestId: reader.readU16(),
requestedExtensions: reader.readSeq0_64K((r) => r.readU16()),
};
}
export interface Sv2RequestExtensionsSuccess {
requestId: number; // U16
supportedExtensions: number[]; // SEQ0_64K[U16]
}
export function serializeRequestExtensionsSuccess(msg: Sv2RequestExtensionsSuccess): Buffer {
const w = new BufferWriter();
w.writeU16(msg.requestId);
w.writeSeq0_64K(msg.supportedExtensions, (writer, ext) => writer.writeU16(ext));
return w.toBuffer();
}
// ── Reconnect (0x04) ────────────────────────────────────────────────
export interface Sv2Reconnect {
newHost: string; // STR0_255
newPort: number; // U16
}
export function serializeReconnect(msg: Sv2Reconnect): Buffer {
const w = new BufferWriter();
w.writeStr0_255(msg.newHost);
w.writeU16(msg.newPort);
return w.toBuffer();
}
export function deserializeReconnect(reader: BufferReader): Sv2Reconnect {
return {
newHost: reader.readStr0_255(),
newPort: reader.readU16(),
};
}