Update basic_bitcoin example to use bitcoinjs-lib

.github/workflows/test.yml

@@ -76,6 +76,7 @@ jobs:
                     "examples/audio_and_video",
                     "examples/audio_recorder",
                     "examples/autoreload",
+                    "examples/basic_bitcoin",
                     "examples/bitcoin",
                     "examples/bitcoinjs-lib",
                     "examples/bitcore-lib",

examples/basic_bitcoin/.bitcoin.conf

@@ -5,3 +5,6 @@ regtest=1
 rpcuser=ic-btc-integration
 rpcpassword=QPQiNaph19FqUsCrBRN0FII7lyM26B51fAMeBQzCb-E=
 rpcauth=ic-btc-integration:cdf2741387f3a12438f69092f0fdad8e$62081498c98bee09a0dce2b30671123fa561932992ce377585e8e08bb0c11dfa
+
+# Enable indexing so we can look up transactions by their ids
+txindex=1

examples/basic_bitcoin/.gitignore

@@ -1,6 +1,7 @@
 .azle
 .bitcoin
 .dfx
+*.wasm
+*.wasm.gz
 dfx_generated
 node_modules
-

examples/basic_bitcoin/dfx.json

@@ -1,25 +1,40 @@
 {
     "canisters": {
-        "basic_bitcoin": {
+        "backend": {
             "type": "custom",
-            "main": "src/index.ts",
-            "candid": "src/index.did",
-            "build": "npx azle basic_bitcoin",
-            "wasm": ".azle/basic_bitcoin/basic_bitcoin.wasm.gz",
-            "declarations": {
-                "output": "test/dfx_generated/basic_bitcoin",
-                "node_compatibility": true
-            },
+            "main": "src/backend/index.ts",
+            "candid": "src/backend/index.did",
+            "init_arg": "(variant { regtest })",
+            "build": "npx azle backend",
+            "env": ["BITCOIN_NETWORK"],
+            "wasm": ".azle/backend/backend.wasm",
+            "gzip": true,
             "metadata": [
                 {
                     "name": "candid:service",
-                    "path": "src/index.did"
+                    "path": "src/backend/index.did"
                 },
                 {
                     "name": "cdk:name",
                     "content": "azle"
                 }
             ]
         }
+    },
+    "networks": {
+        "local": {
+            "bind": "127.0.0.1:8000",
+            "type": "ephemeral",
+            "replica": {
+                "subnet_type": "system"
+            }
+        }
+    },
+    "defaults": {
+        "bitcoin": {
+            "enabled": true,
+            "nodes": ["127.0.0.1:18444"],
+            "log_level": "info"
+        }
     }
 }