From 23c3706ff0d31beac73892525c14ca78aabc59e5 Mon Sep 17 00:00:00 2001
From: Simon Warta <simon@warta.it>
Date: Thu, 22 Jul 2021 14:01:00 +0200
Subject: [PATCH] Add CosmWasm CLI example

---
 .circleci/config.yml              |  1 +
 packages/cli/examples/cosmwasm.ts | 66 +++++++++++++++++++++++++++++++
 packages/cli/run_examples.sh      |  3 ++
 3 files changed, 70 insertions(+)
 create mode 100755 packages/cli/examples/cosmwasm.ts

diff --git a/.circleci/config.yml b/.circleci/config.yml
index d0b0ff1909..d8f5c15855 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -159,6 +159,7 @@ jobs:
           environment:
             SKIP_BUILD: 1
           command: |
+            yarn node ./bin/cosmwasm-cli --init examples/cosmwasm.ts --code "process.exit(0)"
             yarn node ./bin/cosmwasm-cli --init examples/coralnet.ts --code "process.exit(0)"
             yarn node ./bin/cosmwasm-cli --init examples/delegate.ts --code "process.exit(0)"
             yarn node ./bin/cosmwasm-cli --init examples/faucet_addresses.ts --code "process.exit(0)"
diff --git a/packages/cli/examples/cosmwasm.ts b/packages/cli/examples/cosmwasm.ts
new file mode 100755
index 0000000000..05549a6f9b
--- /dev/null
+++ b/packages/cli/examples/cosmwasm.ts
@@ -0,0 +1,66 @@
+import { SigningCosmWasmClient } from "@cosmjs/cosmwasm-stargate";
+import { DirectSecp256k1HdWallet } from "@cosmjs/proto-signing";
+import { calculateFee, GasPrice } from "@cosmjs/stargate";
+import * as fs from "fs";
+
+const rpcEndpoint = "http://localhost:26659";
+
+// Example user from scripts/wasmd/README.md
+const alice = {
+  mnemonic: "enlist hip relief stomach skate base shallow young switch frequent cry park",
+  address0: "wasm14qemq0vw6y3gc3u3e0aty2e764u4gs5lndxgyk",
+  address1: "wasm1hhg2rlu9jscacku2wwckws7932qqqu8xm5ca8y",
+  address2: "wasm1xv9tklw7d82sezh9haa573wufgy59vmwnxhnsl",
+  address3: "wasm17yg9mssjenmc3jkqth6ulcwj9cxujrxxg9nmzk",
+  address4: "wasm1f7j7ryulwjfe9ljplvhtcaxa6wqgula3nh873j",
+};
+
+async function main(hackatomWasmPath: string) {
+  const gasPrice = GasPrice.fromString("0.025ucosm");
+  const wallet = await DirectSecp256k1HdWallet.fromMnemonic(alice.mnemonic, { prefix: "wasm" });
+  const client = await SigningCosmWasmClient.connectWithSigner(rpcEndpoint, wallet);
+
+  // Upload contract
+  const wasm = fs.readFileSync(hackatomWasmPath);
+  const uploadFee = calculateFee(1_500_000, gasPrice);
+  const codeMeta = {
+    source: "https://crates.io/api/v1/crates/hackatom/not-yet-released/download",
+    builder: "cosmwasm/rust-optimizer:0.10.8",
+  };
+  const uploadReceipt = await client.upload(
+    alice.address0,
+    wasm,
+    uploadFee,
+    codeMeta,
+    "Upload hackatom contract",
+  );
+  console.info("Upload succeeded. Receipt:", uploadReceipt);
+
+  // Instantiate
+  const instantiateFee = calculateFee(500_000, gasPrice);
+  // This contract specific message is passed to the contract
+  const msg = {
+    beneficiary: alice.address1,
+    verifier: alice.address0,
+  };
+  const { contractAddress } = await client.instantiate(
+    alice.address0,
+    uploadReceipt.codeId,
+    msg,
+    "My instance",
+    instantiateFee,
+    { memo: `Create a hackatom instance` },
+  );
+  console.info(`Contract instantiated at: `, contractAddress);
+
+  // Execute contract
+  const executeFee = calculateFee(300_000, gasPrice);
+  const result = await client.execute(alice.address0, contractAddress, { release: {} }, executeFee);
+  const wasmEvent = result.logs[0].events.find((e) => e.type === "wasm");
+  console.info("The `wasm` event emitted by the contract execution:", wasmEvent);
+}
+
+const repoRoot = process.cwd() + "/../.."; // This assumes you are in `packages/cli`
+const hackatom = `${repoRoot}/scripts/wasmd/contracts/hackatom.wasm`;
+await main(hackatom);
+console.info("The show is over.");
diff --git a/packages/cli/run_examples.sh b/packages/cli/run_examples.sh
index 4216086d6b..489d53405b 100755
--- a/packages/cli/run_examples.sh
+++ b/packages/cli/run_examples.sh
@@ -2,6 +2,9 @@
 set -o errexit -o nounset -o pipefail
 command -v shellcheck >/dev/null && shellcheck "$0"
 
+if [ -n "${SIMAPP_ENABLED:-}" ]; then
+  yarn node ./bin/cosmwasm-cli --init examples/cosmwasm.ts --code "process.exit(0)"
+fi
 yarn node ./bin/cosmwasm-cli --init examples/coralnet.ts --code "process.exit(0)"
 if [ -n "${LAUNCHPAD_ENABLED:-}" ]; then
   yarn node ./bin/cosmwasm-cli --init examples/delegate.ts --code "process.exit(0)"