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67 lines
1.7 KiB
67 lines
1.7 KiB
package types
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import (
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"fmt"
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acm "github.com/tendermint/tendermint/account"
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"strings"
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)
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type NodeInfo struct {
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PubKey acm.PubKeyEd25519 `json:"pub_key"`
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Moniker string `json:"moniker"`
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ChainID string `json:"chain_id"`
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Host string `json:"host"`
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P2PPort uint16 `json:"p2p_port"`
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RPCPort uint16 `json:"rpc_port"`
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Version Versions `json:"versions"`
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}
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type Versions struct {
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Revision string `json:"revision"`
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Tendermint string `json:"tendermint"`
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P2P string `json:"p2p"`
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RPC string `json:"rpc"`
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Wire string `json:"wire"`
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}
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// CONTRACT: two nodes with the same Tendermint major and minor version and with the same ChainID are compatible
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func (ni *NodeInfo) CompatibleWith(no *NodeInfo) error {
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iM, im, _, ie := splitVersion(ni.Version.Tendermint)
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oM, om, _, oe := splitVersion(no.Version.Tendermint)
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// if our own version number is not formatted right, we messed up
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if ie != nil {
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return ie
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}
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// version number must be formatted correctly ("x.x.x")
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if oe != nil {
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return oe
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}
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// major version must match
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if iM != oM {
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return fmt.Errorf("Peer is on a different major version. Got %v, expected %v", oM, iM)
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}
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// minor version must match
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if im != om {
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return fmt.Errorf("Peer is on a different minor version. Got %v, expected %v", om, im)
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}
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// nodes must be on the same chain_id
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if ni.ChainID != no.ChainID {
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return fmt.Errorf("Peer is on a different chain_id. Got %v, expected %v", no.ChainID, ni.ChainID)
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}
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return nil
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}
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func splitVersion(version string) (string, string, string, error) {
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spl := strings.Split(version, ".")
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if len(spl) != 3 {
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return "", "", "", fmt.Errorf("Invalid version format %v", version)
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}
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return spl[0], spl[1], spl[2], nil
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}
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