Merge pull request #3700 from BitGo/EA-710

feat(bitgo): add ada pledging example

examples/js/ada/send-pledge-transaction.js

@@ -0,0 +1,59 @@
+const BitGoJS = require('bitgo');
+const bitgo = new BitGoJS.BitGo({ env: 'test' });
+const Promise = require('bluebird');
+const coin = 'tada';
+const basecoin = bitgo.coin(coin);
+
+// TODO: set your access token here
+const accessToken = '';
+const walletId = '649b57342f95fd00075b0ab393822a33';
+
+// TODO: set your passphrase here
+const walletPassphrase = null;
+
+// TODO: set pledging inputs
+const pledgingRawTxHex = '';
+const pledgingNodePubKey = '';
+const pledgingNodeKeySignature = '';
+
+Promise.coroutine(function *() {
+    // generating address w/ same staking key and same payment key
+    bitgo.authenticateWithAccessToken({ accessToken: accessToken });
+    yield bitgo.unlock({ otp: '000000', duration: 3600 });
+    const walletInstance = yield basecoin.wallets().get({ id: walletId });
+
+    const whitelistedParams = {
+        intent: {
+            intentType: 'pledge',
+            rawTx: pledgingRawTxHex,
+            nodePublicKey: pledgingNodePubKey,
+            nodeKeySignature: pledgingNodeKeySignature,
+        },
+        apiVersion: 'lite',
+        preview: undefined,
+    };
+
+    const unsignedTx = (yield bitgo
+        .post(bitgo.url('/wallet/' + walletId + '/txrequests', 2))
+        .send(whitelistedParams)
+        .result());
+
+    // sign tx
+    const keychains = yield basecoin.keychains().getKeysForSigning({ wallet: walletInstance });
+    const signedStakingTransaction = yield walletInstance.signTransaction({
+        txPrebuild: unsignedTx,
+        keychain: keychains[0],
+        walletPassphrase: walletPassphrase,
+        pubs: keychains.map((k) => k.pub),
+        reqId: unsignedTx.txRequestId,
+    });
+
+    // submit tx
+    const submittedTx = yield bitgo
+        .post(basecoin.url('/wallet/' + walletId + '/tx/send'))
+        .send({ txRequestId: signedStakingTransaction.txRequestId })
+        .result();
+
+    console.log('New Transaction:', JSON.stringify(submittedTx, null, 4));
+
+})();