Created etherscan provider (untested)

1 files changed, 62 insertions, 0 deletions

diff --git a/app/scripts/lib/etherscan-provider.js b/app/scripts/lib/etherscan-provider.js
new file mode 100644
index 000000000..a2334c367
--- /dev/null
+++ b/app/scripts/lib/etherscan-provider.js
@@ -0,0 +1,62 @@
+const xhr = process.browser ? require('xhr') : require('request')
+const inherits = require('util').inherits
+const createPayload = require('../util/create-payload.js')
+
+module.exports = EtherScanProvider
+
+function EtherScanProvider(opts) {
+
+  this.url = opts.url || 'http://testnet.etherscan.io/api?module=proxy&'
+
+}
+
+EtherScanProvider.prototype.setEngine = function(engine) {
+  const self = this
+  self.engine = engine
+  engine.on('block', function(block) {
+    self.currentBlock = block
+  })
+}
+
+EtherScanProvider.prototype.handleRequest = function(payload, next, end) {
+
+  const self = this
+  var method = payload.method
+  var targetUrl = self.rpcUrl + 'action=' + method
+  var params = payload.params
+
+  var newPayload = createPayload(payload)
+
+  xhr({
+    uri: targetUrl,
+    method: 'POST',
+    headers: {
+      'Accept': 'application/json',
+      'Content-Type': 'application/json',
+    },
+    body: JSON.stringify(newPayload),
+    rejectUnauthorized: false,
+  }, function(err, res, body) {
+    if (err) return end(err)
+
+    // parse response into raw account
+    var data
+    try {
+      data = JSON.parse(body)
+      if (data.error) return end(data.error)
+    } catch (err) {
+      console.error(err.stack)
+      return end(err)
+    }
+
+    // console.log('network:', payload.method, payload.params, '->', data.result)
+
+    end(null, data.result)
+  })
+
+}
+
+EtherScanProvider.prototype.emitPayload = function(payload, cb){
+  const self = this
+  self.engine.sendAsync(createPayload(payload), cb)
+}