new: add bor apis

internal/web3ext/bor_ext.go

+package web3ext
+
+// BorJs bor related apis
+const BorJs = `
+web3._extend({
+	property: 'bor',
+	methods: [
+		new web3._extend.Method({
+			name: 'getSnapshot',
+			call: 'bor_getSnapshot',
+			params: 1,
+			inputFormatter: [null]
+		}),
+		new web3._extend.Method({
+			name: 'getAuthor',
+			call: 'bor_getAuthor',
+			params: 1,
+			inputFormatter: [null]
+		}),
+		new web3._extend.Method({
+			name: 'getSnapshotAtHash',
+			call: 'bor_getSnapshotAtHash',
+			params: 1
+		}),
+		new web3._extend.Method({
+			name: 'getSigners',
+			call: 'bor_getSigners',
+			params: 1,
+			inputFormatter: [null]
+		}),
+		new web3._extend.Method({
+			name: 'getSignersAtHash',
+			call: 'bor_getSignersAtHash',
+			params: 1
+		}),
+		new web3._extend.Method({
+			name: 'getCurrentProposer',
+			call: 'bor_getCurrentProposer',
+			params: 0
+		}),
+		new web3._extend.Method({
+			name: 'getCurrentValidators',
+			call: 'bor_getCurrentValidators',
+			params: 0
+		}),
+		new web3._extend.Method({
+			name: 'getRootHash',
+			call: 'bor_getRootHash',
+			params: 2,
+		}),
+	]
+});
+`

internal/web3ext/web3ext.go

@@ -34,6 +34,9 @@ var Modules = map[string]string{
 	"txpool":     TxpoolJs,
 	"les":        LESJs,
 	"lespay":     LESPayJs,
+
+	// Bor related apis
+	"bor": BorJs,
 }
 
 const ChequebookJs = `