[feat] Crosschain

.github/workflows/test.yml

@@ -37,5 +37,5 @@ jobs:
 
       - name: Run Foundry tests
         run: |
-          export PROVIDER_URI_11155111=${{ secrets.PROVIDER_URI_11155111 }}
+          export RPC_URL_11155111=${{ secrets.RPC_URL_11155111 }}
           RUST_BACKTRACE=1 forge test -vvv

app/index-crosschain.ts

@@ -0,0 +1,57 @@
+import { AxiomCrosschain, BridgeType, UserInput } from '@axiom-crypto/client';
+import { circuit, CircuitInputs } from "./axiom/average.circuit";
+import { chainIdToPathname } from "./utils";
+import dotenv from "dotenv";
+dotenv.config();
+
+// Inputs to the circuit
+import inputs from './axiom/data/inputs.json';
+
+// Compiled circuit file after running:
+//   `npx axiom circuit compile app/axiom/average.circuit.ts`
+import compiledCircuit from "./axiom/data/compiled.json";
+
+const SOURCE_CHAIN_ID = "11155111";
+const TARGET_CHAIN_ID = "84532";
+const SOURCE_RPC_URL = process.env[`RPC_URL_${SOURCE_CHAIN_ID}`];
+const TARGET_RPC_URL = process.env[`RPC_URL_${TARGET_CHAIN_ID}`];
+
+if (!SOURCE_RPC_URL || !TARGET_RPC_URL) {
+  console.error(`RPC URLs must be provided for env vars \`RPC_URL_${SOURCE_CHAIN_ID}\` and \`RPC_URL_${TARGET_CHAIN_ID}\`.`);
+  process.exit(1);
+}
+
+const axiomMain = async (input: UserInput<CircuitInputs>) => {
+  const axiom = new AxiomCrosschain({
+    circuit,
+    compiledCircuit,
+    source: {
+      chainId: SOURCE_CHAIN_ID,
+      rpcUrl: SOURCE_RPC_URL,
+    },
+    target: {
+      chainId: TARGET_CHAIN_ID,
+      rpcUrl: TARGET_RPC_URL,
+      privateKey: process.env[`PRIVATE_KEY_${TARGET_CHAIN_ID}`] as string,
+    },
+    bridgeType: BridgeType.BlockhashOracle,
+    callback: {
+      target: "0x19cB3D866B711EeCbCF76C3f2f9eE1212d672430",
+    },
+  });
+  await axiom.init();
+  const args = await axiom.prove(input);
+  console.log("ZK proof generated successfully.");
+
+  if (!process.env[`PRIVATE_KEY_${TARGET_CHAIN_ID}`]) {
+    console.log(`No private key provided for env var \`PRIVATE_KEY_${TARGET_CHAIN_ID}\`: Query will not be sent to the blockchain.`);
+    return;
+  }
+
+  console.log("Sending Query to Axiom on-chain...");
+  const receipt = await axiom.sendQuery();
+  console.log("Transaction receipt:", receipt);
+  console.log(`View your Query on Axiom Explorer: https://explorer.axiom.xyz/v2/${chainIdToPathname(TARGET_CHAIN_ID)}/${chainIdToPathname(SOURCE_CHAIN_ID)}/query/${args.queryId}`);
+};
+
+axiomMain(inputs);

app/index.ts

@@ -11,11 +11,11 @@ import inputs from './axiom/data/inputs.json';
 //   `npx axiom circuit compile app/axiom/average.circuit.ts`
 import compiledCircuit from "./axiom/data/compiled.json";
 
-
 const CHAIN_ID = "11155111";
+const RPC_URL = process.env[`RPC_URL_${CHAIN_ID}`];
 
-if (!process.env[`PROVIDER_URI_${CHAIN_ID}`]) {
-  console.error(`No provider URI provided for env var \`PROVIDER_URI_${CHAIN_ID}\`.`);
+if (!RPC_URL) {
+  console.error(`RPC URL must be provided for env var \`RPC_URL_${CHAIN_ID}\`.`);
   process.exit(1);
 }
 
@@ -24,7 +24,7 @@ const axiomMain = async (input: UserInput<CircuitInputs>) => {
     circuit: circuit,
     compiledCircuit: compiledCircuit,
     chainId: CHAIN_ID,  // Sepolia
-    provider: process.env[`PROVIDER_URI_${CHAIN_ID}`] as string,
+    rpcUrl: process.env[`RPC_URL_${CHAIN_ID}`] as string,
     privateKey: process.env[`PRIVATE_KEY_${CHAIN_ID}`] as string,
     callback: {
       target: "0x4A4e2D8f3fBb3525aD61db7Fc843c9bf097c362e",

foundry.toml

@@ -9,15 +9,16 @@ ast = true
 
 # See more config options https://github.com/foundry-rs/foundry/tree/master/config
 [rpc_endpoints]
-provider = "${PROVIDER_URI_11155111}"
+source_provider = "${RPC_URL_11155111}"
+target_provider = "${RPC_URL_84532}"
 
 [fmt]
-  bracket_spacing = true
-  int_types = "long"
-  line_length = 120
-  multiline_func_header = "attributes_first"
-  number_underscore = "thousands"
-  quote_style = "double"
-  single_line_statement_blocks = "multi"
-  tab_width = 4
-  wrap_comments = false
+bracket_spacing = true
+int_types = "long"
+line_length = 120
+multiline_func_header = "attributes_first"
+number_underscore = "thousands"
+quote_style = "double"
+single_line_statement_blocks = "multi"
+tab_width = 4
+wrap_comments = false

package.json

@@ -10,7 +10,7 @@
   "author": "Intrinsic Technologies",
   "license": "MIT",
   "dependencies": {
-    "@axiom-crypto/client": "2.0.9",
+    "@axiom-crypto/client": "2.1.0",
     "dotenv": "^16.3.1"
   },
   "devDependencies": {