accounts/abi: improve type handling, add event support (#14743)

accounts/abi/numbers.go

@@ -25,36 +25,23 @@ import (
 )
 
 var (
-	big_t     = reflect.TypeOf(big.Int{})
-	ubig_t    = reflect.TypeOf(big.Int{})
-	byte_t    = reflect.TypeOf(byte(0))
-	byte_ts   = reflect.TypeOf([]byte(nil))
-	uint_t    = reflect.TypeOf(uint(0))
-	uint8_t   = reflect.TypeOf(uint8(0))
-	uint16_t  = reflect.TypeOf(uint16(0))
-	uint32_t  = reflect.TypeOf(uint32(0))
-	uint64_t  = reflect.TypeOf(uint64(0))
-	int_t     = reflect.TypeOf(int(0))
-	int8_t    = reflect.TypeOf(int8(0))
-	int16_t   = reflect.TypeOf(int16(0))
-	int32_t   = reflect.TypeOf(int32(0))
-	int64_t   = reflect.TypeOf(int64(0))
-	hash_t    = reflect.TypeOf(common.Hash{})
-	address_t = reflect.TypeOf(common.Address{})
-
-	uint_ts   = reflect.TypeOf([]uint(nil))
-	uint8_ts  = reflect.TypeOf([]uint8(nil))
-	uint16_ts = reflect.TypeOf([]uint16(nil))
-	uint32_ts = reflect.TypeOf([]uint32(nil))
-	uint64_ts = reflect.TypeOf([]uint64(nil))
-	ubig_ts   = reflect.TypeOf([]*big.Int(nil))
-
-	int_ts   = reflect.TypeOf([]int(nil))
-	int8_ts  = reflect.TypeOf([]int8(nil))
-	int16_ts = reflect.TypeOf([]int16(nil))
-	int32_ts = reflect.TypeOf([]int32(nil))
-	int64_ts = reflect.TypeOf([]int64(nil))
-	big_ts   = reflect.TypeOf([]*big.Int(nil))
+	big_t      = reflect.TypeOf(&big.Int{})
+	derefbig_t = reflect.TypeOf(big.Int{})
+	uint8_t    = reflect.TypeOf(uint8(0))
+	uint16_t   = reflect.TypeOf(uint16(0))
+	uint32_t   = reflect.TypeOf(uint32(0))
+	uint64_t   = reflect.TypeOf(uint64(0))
+	int_t      = reflect.TypeOf(int(0))
+	int8_t     = reflect.TypeOf(int8(0))
+	int16_t    = reflect.TypeOf(int16(0))
+	int32_t    = reflect.TypeOf(int32(0))
+	int64_t    = reflect.TypeOf(int64(0))
+	address_t  = reflect.TypeOf(common.Address{})
+	int_ts     = reflect.TypeOf([]int(nil))
+	int8_ts    = reflect.TypeOf([]int8(nil))
+	int16_ts   = reflect.TypeOf([]int16(nil))
+	int32_ts   = reflect.TypeOf([]int32(nil))
+	int64_ts   = reflect.TypeOf([]int64(nil))
 )
 
 // U256 converts a big Int into a 256bit EVM number.