--- /dev/null
+package common
+
+import (
+ "bytes"
+ "fmt"
+ "reflect"
+ "strings"
+ "testing"
+
+ "github.com/bytom/common/bech32"
+ "github.com/bytom/consensus"
+)
+
+func TestAddresses(t *testing.T) {
+ tests := []struct {
+ name string
+ addr string
+ encoded string
+ valid bool
+ result Address
+ f func() (Address, error)
+ net *consensus.Params
+ }{
+ // Segwit address tests.
+ {
+ name: "segwit mainnet p2wpkh v0",
+ addr: "BM1QW508D6QEJXTDG4Y5R3ZARVARY0C5XW7K23GYYF",
+ encoded: "bm1qw508d6qejxtdg4y5r3zarvary0c5xw7k23gyyf",
+ valid: true,
+ result: tstAddressWitnessPubKeyHash(
+ 0,
+ [20]byte{
+ 0x75, 0x1e, 0x76, 0xe8, 0x19, 0x91, 0x96, 0xd4, 0x54, 0x94,
+ 0x1c, 0x45, 0xd1, 0xb3, 0xa3, 0x23, 0xf1, 0x43, 0x3b, 0xd6},
+ consensus.MainNetParams.Bech32HRPSegwit),
+ f: func() (Address, error) {
+ pkHash := []byte{
+ 0x75, 0x1e, 0x76, 0xe8, 0x19, 0x91, 0x96, 0xd4, 0x54, 0x94,
+ 0x1c, 0x45, 0xd1, 0xb3, 0xa3, 0x23, 0xf1, 0x43, 0x3b, 0xd6}
+ return NewAddressWitnessPubKeyHash(pkHash, &consensus.MainNetParams)
+ },
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit mainnet p2wsh v0",
+ addr: "bm1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qk5egtg",
+ encoded: "bm1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qk5egtg",
+ valid: true,
+ result: tstAddressWitnessScriptHash(
+ 0,
+ [32]byte{
+ 0x18, 0x63, 0x14, 0x3c, 0x14, 0xc5, 0x16, 0x68,
+ 0x04, 0xbd, 0x19, 0x20, 0x33, 0x56, 0xda, 0x13,
+ 0x6c, 0x98, 0x56, 0x78, 0xcd, 0x4d, 0x27, 0xa1,
+ 0xb8, 0xc6, 0x32, 0x96, 0x04, 0x90, 0x32, 0x62},
+ consensus.MainNetParams.Bech32HRPSegwit),
+ f: func() (Address, error) {
+ scriptHash := []byte{
+ 0x18, 0x63, 0x14, 0x3c, 0x14, 0xc5, 0x16, 0x68,
+ 0x04, 0xbd, 0x19, 0x20, 0x33, 0x56, 0xda, 0x13,
+ 0x6c, 0x98, 0x56, 0x78, 0xcd, 0x4d, 0x27, 0xa1,
+ 0xb8, 0xc6, 0x32, 0x96, 0x04, 0x90, 0x32, 0x62}
+ return NewAddressWitnessScriptHash(scriptHash, &consensus.MainNetParams)
+ },
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit testnet p2wpkh v0",
+ addr: "tm1qw508d6qejxtdg4y5r3zarvary0c5xw7kw8fqyc",
+ encoded: "tm1qw508d6qejxtdg4y5r3zarvary0c5xw7kw8fqyc",
+ valid: true,
+ result: tstAddressWitnessPubKeyHash(
+ 0,
+ [20]byte{
+ 0x75, 0x1e, 0x76, 0xe8, 0x19, 0x91, 0x96, 0xd4, 0x54, 0x94,
+ 0x1c, 0x45, 0xd1, 0xb3, 0xa3, 0x23, 0xf1, 0x43, 0x3b, 0xd6},
+ consensus.TestNetParams.Bech32HRPSegwit),
+ f: func() (Address, error) {
+ pkHash := []byte{
+ 0x75, 0x1e, 0x76, 0xe8, 0x19, 0x91, 0x96, 0xd4, 0x54, 0x94,
+ 0x1c, 0x45, 0xd1, 0xb3, 0xa3, 0x23, 0xf1, 0x43, 0x3b, 0xd6}
+ return NewAddressWitnessPubKeyHash(pkHash, &consensus.TestNetParams)
+ },
+ net: &consensus.TestNetParams,
+ },
+ {
+ name: "segwit testnet p2wsh v0",
+ addr: "tm1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qqq379v",
+ encoded: "tm1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qqq379v",
+ valid: true,
+ result: tstAddressWitnessScriptHash(
+ 0,
+ [32]byte{
+ 0x18, 0x63, 0x14, 0x3c, 0x14, 0xc5, 0x16, 0x68,
+ 0x04, 0xbd, 0x19, 0x20, 0x33, 0x56, 0xda, 0x13,
+ 0x6c, 0x98, 0x56, 0x78, 0xcd, 0x4d, 0x27, 0xa1,
+ 0xb8, 0xc6, 0x32, 0x96, 0x04, 0x90, 0x32, 0x62},
+ consensus.TestNetParams.Bech32HRPSegwit),
+ f: func() (Address, error) {
+ scriptHash := []byte{
+ 0x18, 0x63, 0x14, 0x3c, 0x14, 0xc5, 0x16, 0x68,
+ 0x04, 0xbd, 0x19, 0x20, 0x33, 0x56, 0xda, 0x13,
+ 0x6c, 0x98, 0x56, 0x78, 0xcd, 0x4d, 0x27, 0xa1,
+ 0xb8, 0xc6, 0x32, 0x96, 0x04, 0x90, 0x32, 0x62}
+ return NewAddressWitnessScriptHash(scriptHash, &consensus.TestNetParams)
+ },
+ net: &consensus.TestNetParams,
+ },
+ {
+ name: "segwit testnet p2wsh witness v0",
+ addr: "tm1qqqqqp399et2xygdj5xreqhjjvcmzhxw4aywxecjdzew6hylgvsesvkesyk",
+ encoded: "tm1qqqqqp399et2xygdj5xreqhjjvcmzhxw4aywxecjdzew6hylgvsesvkesyk",
+ valid: true,
+ result: tstAddressWitnessScriptHash(
+ 0,
+ [32]byte{
+ 0x00, 0x00, 0x00, 0xc4, 0xa5, 0xca, 0xd4, 0x62,
+ 0x21, 0xb2, 0xa1, 0x87, 0x90, 0x5e, 0x52, 0x66,
+ 0x36, 0x2b, 0x99, 0xd5, 0xe9, 0x1c, 0x6c, 0xe2,
+ 0x4d, 0x16, 0x5d, 0xab, 0x93, 0xe8, 0x64, 0x33},
+ consensus.TestNetParams.Bech32HRPSegwit),
+ f: func() (Address, error) {
+ scriptHash := []byte{
+ 0x00, 0x00, 0x00, 0xc4, 0xa5, 0xca, 0xd4, 0x62,
+ 0x21, 0xb2, 0xa1, 0x87, 0x90, 0x5e, 0x52, 0x66,
+ 0x36, 0x2b, 0x99, 0xd5, 0xe9, 0x1c, 0x6c, 0xe2,
+ 0x4d, 0x16, 0x5d, 0xab, 0x93, 0xe8, 0x64, 0x33}
+ return NewAddressWitnessScriptHash(scriptHash, &consensus.TestNetParams)
+ },
+ net: &consensus.TestNetParams,
+ },
+ // Unsupported witness versions (version 0 only supported at this point)
+ {
+ name: "segwit mainnet witness v1",
+ addr: "bm1pw508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7k7grplx",
+ valid: false,
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit mainnet witness v16",
+ addr: "BM1SW50QA3JX3S",
+ valid: false,
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit mainnet witness v2",
+ addr: "bm1zw508d6qejxtdg4y5r3zarvaryvg6kdaj",
+ valid: false,
+ net: &consensus.MainNetParams,
+ },
+ // Invalid segwit addresses
+ {
+ name: "segwit invalid hrp",
+ addr: "tc1qw508d6qejxtdg4y5r3zarvary0c5xw7kg3g4ty",
+ valid: false,
+ net: &consensus.TestNetParams,
+ },
+ {
+ name: "segwit invalid checksum",
+ addr: "bm1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t5",
+ valid: false,
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit invalid witness version",
+ addr: "BM13W508D6QEJXTDG4Y5R3ZARVARY0C5XW7KN40WF2",
+ valid: false,
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit invalid program length",
+ addr: "bm1rw5uspcuh",
+ valid: false,
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit invalid program length",
+ addr: "bm10w508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7kw5rljs90",
+ valid: false,
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit invalid program length for witness version 0 (per BIP141)",
+ addr: "BM1QR508D6QEJXTDG4Y5R3ZARVARYV98GJ9P",
+ valid: false,
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit mixed case",
+ addr: "tm1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sL5k7",
+ valid: false,
+ net: &consensus.TestNetParams,
+ },
+ {
+ name: "segwit zero padding of more than 4 bits",
+ addr: "tm1pw508d6qejxtdg4y5r3zarqfsj6c3",
+ valid: false,
+ net: &consensus.TestNetParams,
+ },
+ {
+ name: "segwit non-zero padding in 8-to-5 conversion",
+ addr: "tm1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3pjxtptv",
+ valid: false,
+ net: &consensus.TestNetParams,
+ },
+ }
+
+ for _, test := range tests {
+ // Decode addr and compare error against valid.
+ decoded, err := DecodeAddress(test.addr, test.net)
+ if (err == nil) != test.valid {
+ t.Errorf("%v: decoding test failed: %v", test.name, err)
+ return
+ }
+
+ if err == nil {
+ // Ensure the stringer returns the same address as the
+ // original.
+
+ if decodedStringer, ok := decoded.(fmt.Stringer); ok {
+ addr := test.addr
+
+ // For Segwit addresses the string representation
+ // will always be lower case, so in that case we
+ // convert the original to lower case first.
+ if strings.Contains(test.name, "segwit") {
+ addr = strings.ToLower(addr)
+ }
+
+ if addr != decodedStringer.String() {
+ t.Errorf("%v: String on decoded value does not match expected value: %v != %v",
+ test.name, test.addr, decodedStringer.String())
+ return
+ }
+
+ }
+
+ // Encode again and compare against the original.
+ encoded := decoded.EncodeAddress()
+ if test.encoded != encoded {
+ t.Errorf("%v: decoding and encoding produced different addressess: %v != %v",
+ test.name, test.encoded, encoded)
+ return
+ }
+
+ // Perform type-specific calculations.
+ var saddr []byte
+ switch decoded.(type) {
+
+ case *AddressWitnessPubKeyHash:
+ saddr = tstAddressSegwitSAddr(encoded)
+ case *AddressWitnessScriptHash:
+ saddr = tstAddressSegwitSAddr(encoded)
+ }
+
+ // Check script address, as well as the Hash160 method for P2PKH and
+ // P2SH addresses.
+ if !bytes.Equal(saddr, decoded.ScriptAddress()) {
+ t.Errorf("%v: script addresses do not match:\n%x != \n%x",
+ test.name, saddr, decoded.ScriptAddress())
+ return
+ }
+ switch a := decoded.(type) {
+
+ case *AddressWitnessPubKeyHash:
+ if hrp := a.Hrp(); test.net.Bech32HRPSegwit != hrp {
+ t.Errorf("%v: hrps do not match:\n%x != \n%x",
+ test.name, test.net.Bech32HRPSegwit, hrp)
+ return
+ }
+
+ expVer := test.result.(*AddressWitnessPubKeyHash).WitnessVersion()
+ if v := a.WitnessVersion(); v != expVer {
+ t.Errorf("%v: witness versions do not match:\n%x != \n%x",
+ test.name, expVer, v)
+ return
+ }
+
+ if p := a.WitnessProgram(); !bytes.Equal(saddr, p) {
+ t.Errorf("%v: witness programs do not match:\n%x != \n%x",
+ test.name, saddr, p)
+ return
+ }
+
+ case *AddressWitnessScriptHash:
+ if hrp := a.Hrp(); test.net.Bech32HRPSegwit != hrp {
+ t.Errorf("%v: hrps do not match:\n%x != \n%x",
+ test.name, test.net.Bech32HRPSegwit, hrp)
+ return
+ }
+
+ expVer := test.result.(*AddressWitnessScriptHash).WitnessVersion()
+ if v := a.WitnessVersion(); v != expVer {
+ t.Errorf("%v: witness versions do not match:\n%x != \n%x",
+ test.name, expVer, v)
+ return
+ }
+
+ if p := a.WitnessProgram(); !bytes.Equal(saddr, p) {
+ t.Errorf("%v: witness programs do not match:\n%x != \n%x",
+ test.name, saddr, p)
+ return
+ }
+ }
+
+ // Ensure the address is for the expected network.
+ if !decoded.IsForNet(test.net) {
+ t.Errorf("%v: calculated network does not match expected",
+ test.name)
+ return
+ }
+ }
+
+ if !test.valid {
+ // If address is invalid, but a creation function exists,
+ // verify that it returns a nil addr and non-nil error.
+ if test.f != nil {
+ _, err := test.f()
+ if err == nil {
+ t.Errorf("%v: address is invalid but creating new address succeeded",
+ test.name)
+ return
+ }
+ }
+ continue
+ }
+
+ // Valid test, compare address created with f against expected result.
+ addr, err := test.f()
+ if err != nil {
+ t.Errorf("%v: address is valid but creating new address failed with error %v",
+ test.name, err)
+ return
+ }
+
+ if !reflect.DeepEqual(addr, test.result) {
+ t.Errorf("%v: created address does not match expected result",
+ test.name)
+ return
+ }
+ }
+}
+
+// TstAddressWitnessPubKeyHash creates an AddressWitnessPubKeyHash, initiating
+// the fields as given.
+func tstAddressWitnessPubKeyHash(version byte, program [20]byte,
+ hrp string) *AddressWitnessPubKeyHash {
+
+ return &AddressWitnessPubKeyHash{
+ hrp: hrp,
+ witnessVersion: version,
+ witnessProgram: program,
+ }
+}
+
+// TstAddressWitnessScriptHash creates an AddressWitnessScriptHash, initiating
+// the fields as given.
+func tstAddressWitnessScriptHash(version byte, program [32]byte,
+ hrp string) *AddressWitnessScriptHash {
+
+ return &AddressWitnessScriptHash{
+ hrp: hrp,
+ witnessVersion: version,
+ witnessProgram: program,
+ }
+}
+
+// TstAddressSegwitSAddr returns the expected witness program bytes for
+// bech32 encoded P2WPKH and P2WSH bitcoin addresses.
+func tstAddressSegwitSAddr(addr string) []byte {
+ _, data, err := bech32.Bech32Decode(addr)
+ if err != nil {
+ return []byte{}
+ }
+
+ // First byte is version, rest is base 32 encoded data.
+ data, err = bech32.ConvertBits(data[1:], 5, 8, false)
+ if err != nil {
+ return []byte{}
+ }
+ return data
+}
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