68 lines
2.5 KiB
Go
68 lines
2.5 KiB
Go
package evm
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import (
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"github.com/certusone/wormhole/node/pkg/common"
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gossipv1 "github.com/certusone/wormhole/node/pkg/proto/gossip/v1"
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"github.com/certusone/wormhole/node/pkg/query"
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"github.com/certusone/wormhole/node/pkg/supervisor"
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"github.com/certusone/wormhole/node/pkg/watchers"
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"github.com/certusone/wormhole/node/pkg/watchers/interfaces"
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eth_common "github.com/ethereum/go-ethereum/common"
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"github.com/wormhole-foundation/wormhole/sdk/vaa"
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)
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type WatcherConfig struct {
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NetworkID watchers.NetworkID // human readable name
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ChainID vaa.ChainID // ChainID
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Rpc string // RPC URL
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Contract string // hex representation of the contract address
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GuardianSetUpdateChain bool // if `true`, we will retrieve the GuardianSet from this chain and watch this chain for GuardianSet updates
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WaitForConfirmations bool // (optional)
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RootChainRpc string // (optional)
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RootChainContract string // (optional)
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L1FinalizerRequired watchers.NetworkID // (optional)
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l1Finalizer interfaces.L1Finalizer
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}
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func (wc *WatcherConfig) GetNetworkID() watchers.NetworkID {
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return wc.NetworkID
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}
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func (wc *WatcherConfig) GetChainID() vaa.ChainID {
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return wc.ChainID
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}
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func (wc *WatcherConfig) RequiredL1Finalizer() watchers.NetworkID {
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return wc.L1FinalizerRequired
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}
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func (wc *WatcherConfig) SetL1Finalizer(l1finalizer interfaces.L1Finalizer) {
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wc.l1Finalizer = l1finalizer
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}
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func (wc *WatcherConfig) Create(
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msgC chan<- *common.MessagePublication,
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obsvReqC <-chan *gossipv1.ObservationRequest,
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queryReqC <-chan *query.PerChainQueryInternal,
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queryResponseC chan<- *query.PerChainQueryResponseInternal,
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setC chan<- *common.GuardianSet,
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env common.Environment,
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) (interfaces.L1Finalizer, supervisor.Runnable, error) {
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// only actually use the guardian set channel if wc.GuardianSetUpdateChain == true
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var setWriteC chan<- *common.GuardianSet = nil
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if wc.GuardianSetUpdateChain {
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setWriteC = setC
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}
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var devMode bool = (env == common.UnsafeDevNet)
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watcher := NewEthWatcher(wc.Rpc, eth_common.HexToAddress(wc.Contract), string(wc.NetworkID), wc.ChainID, msgC, setWriteC, obsvReqC, queryReqC, queryResponseC, devMode)
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watcher.SetWaitForConfirmations(wc.WaitForConfirmations)
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if err := watcher.SetRootChainParams(wc.RootChainRpc, wc.RootChainContract); err != nil {
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return nil, nil, err
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}
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watcher.SetL1Finalizer(wc.l1Finalizer)
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return watcher, watcher.Run, nil
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}
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