crosslightning-evm - npm Package Compare versions

Comparing version 3.0.7 to 3.0.8

dist/evm/btcrelay/EVMBtcRelay.d.ts

@@ -16,2 +16,3 @@ /// <reference types="node" />
     constructor(provider: Signer, bitcoinRpc: BitcoinRpc<B>, btcRelayContractAddress: string);
+    saveInitialHeader(header: B, epochStart: number, pastBlocksTimestamps: number[]): Promise<UnsignedTransaction>;
     retrieveLogAndBlockheight(blockData: {
@@ -18,0 +19,0 @@ blockhash: string;

dist/evm/btcrelay/EVMBtcRelay.js

@@ -31,2 +31,13 @@ "use strict";
     }
+    saveInitialHeader(header, epochStart, pastBlocksTimestamps) {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (pastBlocksTimestamps.length !== 10) {
+                throw new Error("Invalid prevBlocksTimestamps");
+            }
+            const serializedBlock = EVMBtcRelay.serializeBlockHeader(header);
+            const unsignedTx = yield this.contract.populateTransaction.setInitialParent(serializedBlock.serializeToStruct(), ethers_1.BigNumber.from(header.getHeight()), "0x" + header.getChainWork().toString('hex'), ethers_1.BigNumber.from(epochStart), pastBlocksTimestamps.map(e => ethers_1.BigNumber.from(e)));
+            unsignedTx.gasLimit = ethers_1.BigNumber.from(150000);
+            return unsignedTx;
+        });
+    }
     retrieveLogAndBlockheight(blockData, requiredBlockheight) {
@@ -33,0 +44,0 @@ return __awaiter(this, void 0, void 0, function* () {

dist/evm/btcrelay/headers/EVMBtcHeader.d.ts

 /// <reference types="node" />
 import { BtcHeader } from "crosslightning-base";
+import { BigNumber } from "ethers";
 type EVMBtcHeaderType = {
@@ -12,2 +13,10 @@ version: number;
 };
+type EVMBtcHeaderStruct = {
+    version: BigNumber;
+    reversedPrevBlockHash: string;
+    merkleRoot: string;
+    timestamp: BigNumber;
+    nbits: BigNumber;
+    nonce: BigNumber;
+};
 export declare class EVMBtcHeader implements BtcHeader {
@@ -22,2 +31,3 @@ version: number;
     constructor(obj: EVMBtcHeaderType);
+    serializeToStruct(): EVMBtcHeaderStruct;
     serialize(): Buffer;
@@ -24,0 +34,0 @@ getMerkleRoot(): Buffer;

dist/evm/btcrelay/headers/EVMBtcHeader.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.EVMBtcHeader = void 0;
+const ethers_1 = require("ethers");
+const EVMBtcStoredHeader_1 = require("./EVMBtcStoredHeader");
 class EVMBtcHeader {
@@ -14,2 +16,12 @@ constructor(obj) {
     }
+    serializeToStruct() {
+        return {
+            version: (0, EVMBtcStoredHeader_1.reverseBigNumber)(ethers_1.BigNumber.from(this.version)),
+            reversedPrevBlockHash: "0x" + this.reversedPrevBlockhash.toString("hex"),
+            merkleRoot: "0x" + this.merkleRoot.toString("hex"),
+            timestamp: (0, EVMBtcStoredHeader_1.reverseBigNumber)(ethers_1.BigNumber.from(this.timestamp)),
+            nbits: (0, EVMBtcStoredHeader_1.reverseBigNumber)(ethers_1.BigNumber.from(this.nbits)),
+            nonce: (0, EVMBtcStoredHeader_1.reverseBigNumber)(ethers_1.BigNumber.from(this.nonce))
+        };
+    }
     serialize() {
@@ -16,0 +28,0 @@ const versionBuffer = Buffer.alloc(4);

dist/evm/btcrelay/headers/EVMBtcStoredHeader.d.ts

@@ -12,2 +12,3 @@ /// <reference types="node" />
 };
+export declare function reverseBigNumber(num: BigNumber): BigNumber;
 export declare class EVMBtcStoredHeader implements BtcStoredHeader<EVMBtcHeader> {
@@ -14,0 +15,0 @@ chainWork: BigNumber;

dist/evm/btcrelay/headers/EVMBtcStoredHeader.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.EVMBtcStoredHeader = void 0;
+exports.EVMBtcStoredHeader = exports.reverseBigNumber = void 0;
 const EVMBtcHeader_1 = require("./EVMBtcHeader");
@@ -12,2 +12,3 @@ const ethers_1 = require("ethers");
 }
+exports.reverseBigNumber = reverseBigNumber;
 class EVMBtcStoredHeader {
@@ -14,0 +15,0 @@ constructor(obj) {

package.json

 {
   "name": "crosslightning-evm",
-  "version": "3.0.7",
+  "version": "3.0.8",
   "description": "EVM specific base implementation",
@@ -27,3 +27,3 @@ "main": "./dist/index.js",
     "bn.js": "^5.2.1",
-    "crosslightning-base": "^3.0.6",
+    "crosslightning-base": "^3.0.8",
     "ethers": "^5.7.2",
@@ -30,0 +30,0 @@ "typescript": "^4.9.5"

src/evm/btcrelay/EVMBtcRelay.ts

@@ -32,2 +32,21 @@ import {BitcoinRpc, BtcBlock, BtcRelay, StatePredictorUtils} from "crosslightning-base";
 
+    async saveInitialHeader(header: B, epochStart: number, pastBlocksTimestamps: number[]): Promise<UnsignedTransaction> {
+        if(pastBlocksTimestamps.length!==10) {
+            throw new Error("Invalid prevBlocksTimestamps");
+        }
+
+        const serializedBlock = EVMBtcRelay.serializeBlockHeader(header);
+
+        const unsignedTx = await this.contract.populateTransaction.setInitialParent(
+            serializedBlock.serializeToStruct(),
+            BigNumber.from(header.getHeight()),
+            "0x"+header.getChainWork().toString('hex'),
+            BigNumber.from(epochStart),
+            pastBlocksTimestamps.map(e => BigNumber.from(e))
+        );
+        unsignedTx.gasLimit = BigNumber.from(150000);
+
+        return unsignedTx;
+    }
+
     async retrieveLogAndBlockheight(blockData: {blockhash: string, height: number}, requiredBlockheight?: number): Promise<{
@@ -34,0 +53,0 @@ header: EVMBtcStoredHeader,

src/evm/btcrelay/headers/EVMBtcHeader.ts

 import {BtcHeader} from "crosslightning-base"
+import {BigNumber} from "ethers";
+import {reverseBigNumber} from "./EVMBtcStoredHeader";
 
@@ -13,2 +15,11 @@ type EVMBtcHeaderType = {
 
+type EVMBtcHeaderStruct = {
+    version: BigNumber,
+    reversedPrevBlockHash: string,
+    merkleRoot: string,
+    timestamp: BigNumber,
+    nbits: BigNumber,
+    nonce: BigNumber
+}
+
 export class EVMBtcHeader implements BtcHeader {
@@ -34,2 +45,13 @@
 
+    serializeToStruct(): EVMBtcHeaderStruct {
+        return {
+            version: reverseBigNumber(BigNumber.from(this.version)),
+            reversedPrevBlockHash: "0x"+this.reversedPrevBlockhash.toString("hex"),
+            merkleRoot: "0x"+this.merkleRoot.toString("hex"),
+            timestamp: reverseBigNumber(BigNumber.from(this.timestamp)),
+            nbits: reverseBigNumber(BigNumber.from(this.nbits)),
+            nonce: reverseBigNumber(BigNumber.from(this.nonce))
+        }
+    }
+
     serialize(): Buffer {
@@ -36,0 +58,0 @@ const versionBuffer = Buffer.alloc(4);

src/evm/btcrelay/headers/EVMBtcStoredHeader.ts

@@ -14,3 +14,3 @@ import {EVMBtcHeader} from "./EVMBtcHeader";
 
-function reverseBigNumber(num: BigNumber): BigNumber {
+export function reverseBigNumber(num: BigNumber): BigNumber {
     const buffer = Buffer.alloc(4);
@@ -17,0 +17,0 @@ buffer.writeUint32LE(num.toNumber());

No alert changes

Improved metrics

Total package byte prevSize

337627

increased by1.08%

Lines of code

8040

increased by0.9%

Dependency changes

• Updatedcrosslightning-base@^3.0.8