From 97d7118984b348cd2c7f1018aac98c3b8721602e Mon Sep 17 00:00:00 2001
From: apanizo <adolfo.panizo@gmail.com>
Date: Sat, 4 Aug 2018 13:27:18 +0200
Subject: [PATCH] Safe Tx History POST helper function

---
 src/wallets/safeTxHistory.js | 69 ++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 src/wallets/safeTxHistory.js

diff --git a/src/wallets/safeTxHistory.js b/src/wallets/safeTxHistory.js
new file mode 100644
index 00000000..4e2dafa6
--- /dev/null
+++ b/src/wallets/safeTxHistory.js
@@ -0,0 +1,69 @@
+// @flow
+import { getWeb3 } from '~/wallets/getWeb3'
+import { getGnosisSafeContract } from '~/wallets/safeContracts'
+
+type Type = 'confirmation' | 'execution'
+type Operation = 0 | 1 | 2
+
+const calculateBodyFrom = async (
+  safeAddress: string,
+  to: string,
+  value: number,
+  data: string,
+  operation: Operation,
+  nonce: number,
+  transactionHash: string,
+  sender: string,
+  type: Type,
+) => {
+  const web3 = getWeb3()
+  const valueInWei = value > 0 ? web3.toWei(value, 'ether') : value
+  const GnosisSafe = await getGnosisSafeContract(web3)
+  const gnosisSafe = GnosisSafe.at(safeAddress)
+  const contractTransactionHash = await gnosisSafe.getTransactionHash(safeAddress, valueInWei, data, operation, nonce)
+
+  return JSON.stringify({
+    to,
+    value,
+    data,
+    operation,
+    nonce,
+    contractTransactionHash,
+    transactionHash,
+    sender,
+    type,
+  })
+}
+
+export const submitOperation = async (
+  safeAddress: string,
+  to: string,
+  value: number,
+  data: string,
+  operation: Operation,
+  nonce: number,
+  txHash: string,
+  sender: string,
+  type: Type,
+) => {
+  const base = `safes/${safeAddress}/transaction/`
+  const url = `https://safe-transaction-history.dev.gnosisdev.com/${base}`
+  const headers = {
+    Accept: 'application/json',
+    'Content-Type': 'application/json',
+  }
+
+  const body = await calculateBodyFrom(safeAddress, to, value, data, operation, nonce, txHash, sender, type)
+
+  const response = await fetch(url, {
+    method: 'POST',
+    headers,
+    body,
+  })
+
+  if (response.status !== 201) {
+    return Promise.reject(new Error('Error submitting the transaction'))
+  }
+
+  return Promise.resolve()
+}