add build and upgrade scripts

scripts/docker_build.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+# Exit script as soon as a command fails.
+set -e
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
+NAME="build_tether_near"
+
+if docker ps -a --format '{{.Names}}' | grep -Eq "^${NAME}\$"; then
+    echo "Container exists"
+else
+docker create \
+     --mount type=bind,source=$DIR/..,target=/host \
+     --cap-add=SYS_PTRACE --security-opt seccomp=unconfined \
+     --name=$NAME \
+     -w /host/tether-near \
+     -e RUSTFLAGS='-C link-arg=-s' \
+     -it \
+     nearprotocol/contract-builder \
+     /bin/bash
+fi
+
+docker start $NAME
+docker exec -it $NAME /bin/bash -c "rustup toolchain install stable; rustup default stable; rustup target add wasm32-unknown-unknown; cargo build --target wasm32-unknown-unknown --profile release; cargo test"
+
+mkdir -p $DIR/../res
+cp $DIR/../target/wasm32-unknown-unknown/release/tether_token.wasm $DIR/../res/tether_token.wasm

scripts/multisafeUpgrade.js

@@ -0,0 +1,72 @@
+'use strict';
+const nearAPI = require('near-api-js');
+const { Contract } = nearAPI;
+const BN = require('bn.js');
+const fs = require('fs').promises;
+const assert = require('assert').strict;
+
+//const config = {
+//  networkId: 'testnet',
+//  nodeUrl: 'https://rpc.testnet.near.org',
+//  keyPath: '/home/user/.near-credentials/testnet/user.testnet.json',
+//  contractPath: './res/tether_token.wasm',
+//  accountId: 'user.testnet',
+//  contractId: 'usdt.token',
+//  msafeId: 'vault.multisafe',
+//};
+
+const config = {
+  networkId: 'mainnet',
+  nodeUrl: 'https://rpc.mainnet.near.org',
+  keyPath: '/home/user/.near-credentials/mainnet/user.json',
+  contractPath: './res/tether_token.wasm',
+  accountId: 'user',
+  contractId: 'usdt.tether-token.near',
+  msafeId: 'tether.multisafe.near',
+};
+
+(async function () {
+  const keyFile = require(config.keyPath);
+  const privKey = nearAPI.utils.KeyPair.fromString(keyFile.private_key);
+
+  const keyStore = new nearAPI.keyStores.InMemoryKeyStore();
+  keyStore.setKey(config.networkId, config.accountId, privKey);
+
+  const near = await nearAPI.connect({
+    deps: {
+      keyStore,
+    },
+    networkId: config.networkId,
+    nodeUrl: config.nodeUrl,
+  });
+
+  const wasm = await fs.readFile(config.contractPath);
+  const account = new nearAPI.Account(near.connection, config.accountId);
+  const contract = new Contract(
+    account,
+    config.msafeId,
+    {
+      changeMethods: ['add_request_and_confirm'],
+      sender: account,
+    }
+  );
+
+  // Send Upgrade contract to multisafe.
+  await contract.add_request_and_confirm({
+    request: {
+      receiver_id: config.contractId,
+      actions: [
+        {
+          type: 'FunctionCall',
+          method_name: 'upgrade',
+          args: wasm.toString('base64'),
+          deposit:'0',
+          gas: '250000000000000',
+        },
+      ],
+    }
+  },
+  300000000000000
+  );
+
+})();