forked from TrueCloudLab/neoneo-go
result: drop pre-0.99.0 compatibility code
0.99.0 is too old already.
This commit is contained in:
Roman Khimov
parent
7f8a79ffaa
commit
8324a247d3
4 changed files with 3 additions and 100 deletions
1
go.mod
1
go.mod
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@ -2,7 +2,6 @@ module github.com/nspcc-dev/neo-go
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require (
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github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e
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github.com/coreos/go-semver v0.3.0
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github.com/davecgh/go-spew v1.1.1
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github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1
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github.com/google/uuid v1.2.0
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2
go.sum
2
go.sum
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@ -84,8 +84,6 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk
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github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
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github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
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github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
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github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM=
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github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
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github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
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github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
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github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
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@ -2,11 +2,7 @@ package result
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import (
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"encoding/json"
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"fmt"
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"strings"
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"github.com/coreos/go-semver/semver"
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"github.com/nspcc-dev/neo-go/pkg/config"
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"github.com/nspcc-dev/neo-go/pkg/config/netmode"
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"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
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)
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@ -75,39 +71,8 @@ type (
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StateRootInHeader bool `json:"staterootinheader,omitempty"`
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ValidatorsHistory map[uint32]int `json:"validatorshistory,omitempty"`
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}
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// versionUnmarshallerAux is an auxiliary struct used for Version JSON unmarshalling.
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versionUnmarshallerAux struct {
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TCPPort uint16 `json:"tcpport"`
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WSPort uint16 `json:"wsport,omitempty"`
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Nonce uint32 `json:"nonce"`
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UserAgent string `json:"useragent"`
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Protocol protocolUnmarshallerAux `json:"protocol"`
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}
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// protocolUnmarshallerAux is an auxiliary struct used for Protocol JSON unmarshalling.
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protocolUnmarshallerAux struct {
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AddressVersion byte `json:"addressversion"`
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Network netmode.Magic `json:"network"`
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MillisecondsPerBlock int `json:"msperblock"`
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MaxTraceableBlocks uint32 `json:"maxtraceableblocks"`
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MaxValidUntilBlockIncrement uint32 `json:"maxvaliduntilblockincrement"`
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MaxTransactionsPerBlock uint16 `json:"maxtransactionsperblock"`
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MemoryPoolMaxTransactions int `json:"memorypoolmaxtransactions"`
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ValidatorsCount byte `json:"validatorscount"`
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InitialGasDistribution json.RawMessage `json:"initialgasdistribution"`
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CommitteeHistory map[uint32]int `json:"committeehistory,omitempty"`
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P2PSigExtensions bool `json:"p2psigextensions,omitempty"`
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StateRootInHeader bool `json:"staterootinheader,omitempty"`
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ValidatorsHistory map[uint32]int `json:"validatorshistory,omitempty"`
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}
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)
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// latestNonBreakingVersion is a latest NeoGo revision that keeps older RPC
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// clients compatibility with newer RPC servers (https://github.com/nspcc-dev/neo-go/pull/2435).
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var latestNonBreakingVersion = *semver.New("0.98.5")
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// MarshalJSON implements the json marshaller interface.
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func (v *Version) MarshalJSON() ([]byte, error) {
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aux := versionMarshallerAux{
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@ -137,7 +102,7 @@ func (v *Version) MarshalJSON() ([]byte, error) {
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// UnmarshalJSON implements the json unmarshaller interface.
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func (v *Version) UnmarshalJSON(data []byte) error {
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var aux versionUnmarshallerAux
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var aux versionMarshallerAux
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err := json.Unmarshal(data, &aux)
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if err != nil {
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return err
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@ -158,36 +123,7 @@ func (v *Version) UnmarshalJSON(data []byte) error {
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v.Protocol.P2PSigExtensions = aux.Protocol.P2PSigExtensions
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v.Protocol.StateRootInHeader = aux.Protocol.StateRootInHeader
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v.Protocol.ValidatorsHistory = aux.Protocol.ValidatorsHistory
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if len(aux.Protocol.InitialGasDistribution) == 0 {
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return nil
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}
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if strings.HasPrefix(v.UserAgent, config.UserAgentWrapper+config.UserAgentPrefix) {
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ver, err := userAgentToVersion(v.UserAgent)
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if err == nil && ver.Compare(latestNonBreakingVersion) <= 0 {
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err := json.Unmarshal(aux.Protocol.InitialGasDistribution, &v.Protocol.InitialGasDistribution)
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if err != nil {
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return fmt.Errorf("failed to unmarshal InitialGASDistribution into fixed8: %w", err)
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}
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return nil
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}
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}
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var val int64
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err = json.Unmarshal(aux.Protocol.InitialGasDistribution, &val)
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if err != nil {
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return fmt.Errorf("failed to unmarshal InitialGASDistribution into int64: %w", err)
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}
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v.Protocol.InitialGasDistribution = fixedn.Fixed8(val)
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v.Protocol.InitialGasDistribution = fixedn.Fixed8(aux.Protocol.InitialGasDistribution)
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return nil
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}
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func userAgentToVersion(userAgent string) (*semver.Version, error) {
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verStr := strings.Trim(userAgent, config.UserAgentWrapper)
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verStr = strings.TrimPrefix(verStr, config.UserAgentPrefix)
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ver, err := semver.NewVersion(verStr)
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if err != nil {
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return nil, fmt.Errorf("can't retrieve neo-go version from UserAgent: %w", err)
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}
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return ver, nil
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}
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@ -89,11 +89,7 @@ func TestVersion_MarshalUnmarshalJSON(t *testing.T) {
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t.Run("Go node response", func(t *testing.T) {
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t.Run("old RPC server", func(t *testing.T) {
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actual := &Version{}
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require.NoError(t, json.Unmarshal([]byte(responseFromGoOld), actual))
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expected := new(Version)
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*expected = *v
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expected.UserAgent = "/NEO-GO:0.98.2/"
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require.Equal(t, expected, actual)
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require.Error(t, json.Unmarshal([]byte(responseFromGoOld), actual))
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})
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t.Run("new RPC server", func(t *testing.T) {
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actual := &Version{}
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@ -111,29 +107,3 @@ func TestVersion_MarshalUnmarshalJSON(t *testing.T) {
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})
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})
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}
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func TestVersionFromUserAgent(t *testing.T) {
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type testCase struct {
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success bool
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cmpWithBreaking int
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}
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var testcases = map[string]testCase{
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"/Neo:3.1.0/": {success: false},
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"/NEO-GO:0.98.7": {success: true, cmpWithBreaking: 1},
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"/NEO-GO:0.98.7-pre-12344/": {success: true, cmpWithBreaking: 1},
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"/NEO-GO:0.98.6/": {success: true, cmpWithBreaking: 1},
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"/NEO-GO:0.98.6-pre-123/": {success: true, cmpWithBreaking: 1},
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"/NEO-GO:0.98.5/": {success: true, cmpWithBreaking: 0},
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"/NEO-GO:0.98.5-pre-12345/": {success: true, cmpWithBreaking: -1},
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"/NEO-GO:123456": {success: false},
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}
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for str, tc := range testcases {
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ver, err := userAgentToVersion(str)
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if tc.success {
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require.NoError(t, err)
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require.Equal(t, ver.Compare(latestNonBreakingVersion), tc.cmpWithBreaking, str)
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} else {
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require.Error(t, err)
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}
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}
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}
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