Add support for account index.

src/assets/js/block-sync/driver.js

@@ -0,0 +1,68 @@
+if (typeof module != 'undefined') {
+	module.exports = {
+		Driver: Driver,
+	}
+}
+
+
+function Driver(w3, lo, filters, syncer, callback) {
+	this.w3 = w3
+	this.lo = lo;
+	this.hi = undefined;
+	this.filters = filters;
+	this.syncer = syncer;
+	this.callback = callback
+}
+
+Driver.prototype.start = function(hi) {
+	const self = this;
+
+	if (hi !== undefined) {
+		self.sync(hi);
+		return;
+	}
+	self.w3.eth.getBlockNumber().then(function(n) {
+		self.sync(n);
+	}).catch((e) => {
+		console.error('blocknumber fail', e);
+	});
+};
+
+Driver.prototype.sync = function(n) {
+	const self = this;
+
+	self.hi = n;
+
+	const countGetter = async (b) => {
+		return await self.getCount(b);
+	};
+
+	const processor = async (b, t) => {
+		return await self.process(b, t);
+	}
+	self.syncer(self, self.lo, self.hi, self.filters[0], self.filters[1], countGetter, processor);
+};
+
+
+Driver.prototype.process = function(b, t) {
+	const self = this;
+
+	self.w3.eth.getTransactionFromBlock(b, t).then((t) => {
+		self.w3.eth.getTransactionReceipt(t.hash).then((r) => {
+			self.callback(r);
+		}).catch((e) => {
+			console.error('fail get recept', e);
+		});
+	}).catch(function(e) { 
+		//this.postMessage(['failed getTransactionFromBlock(' + b + ', ' + t + ')']);
+		self.callback([undefined]);
+		console.error('failed getTransactionFromBlock(' + b + ', ' + t + ')');
+	});
+}
+
+Driver.prototype.getCount = async function (b) {
+	const self = this;
+
+	const n = await self.w3.eth.getBlockTransactionCount(b);
+	return n;
+};