mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-12-27 00:35:18 +00:00
84 lines
2.4 KiB
Go
84 lines
2.4 KiB
Go
package runner
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import (
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"context"
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"fmt"
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"github.com/cosmos/cosmos-sdk/client/grpc/tmservice"
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stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
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"github.com/0glabs/0g-chain/client/grpc"
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)
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// LiveNodeRunnerConfig implements NodeRunner.
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// It connects to a running network via the RPC, GRPC, and EVM urls.
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type LiveNodeRunnerConfig struct {
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ZgChainRpcUrl string
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ZgChainGrpcUrl string
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ZgChainEvmRpcUrl string
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UpgradeHeight int64
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}
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// LiveNodeRunner implements NodeRunner for an already-running chain.
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// If a LiveNodeRunner is used, end-to-end tests are run against a live chain.
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type LiveNodeRunner struct {
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config LiveNodeRunnerConfig
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}
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var _ NodeRunner = LiveNodeRunner{}
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// NewLiveNodeRunner creates a new LiveNodeRunner.
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func NewLiveNodeRunner(config LiveNodeRunnerConfig) *LiveNodeRunner {
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return &LiveNodeRunner{config}
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}
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// StartChains implements NodeRunner.
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// It initializes connections to the chain based on parameters.
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// It attempts to ping the necessary endpoints and panics if they cannot be reached.
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func (r LiveNodeRunner) StartChains() Chains {
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fmt.Println("establishing connection to live 0g-chain network")
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chains := NewChains()
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zgChain := ChainDetails{
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RpcUrl: r.config.ZgChainRpcUrl,
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GrpcUrl: r.config.ZgChainGrpcUrl,
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EvmRpcUrl: r.config.ZgChainEvmRpcUrl,
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}
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if err := waitForChainStart(zgChain); err != nil {
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panic(fmt.Sprintf("failed to ping chain: %s", err))
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}
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// determine chain id
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client, err := grpc.NewClient(zgChain.GrpcUrl)
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if err != nil {
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panic(fmt.Sprintf("failed to create kava grpc client: %s", err))
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}
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nodeInfo, err := client.Query.Tm.GetNodeInfo(context.Background(), &tmservice.GetNodeInfoRequest{})
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if err != nil {
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panic(fmt.Sprintf("failed to fetch 0-chain node info: %s", err))
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}
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zgChain.ChainId = nodeInfo.DefaultNodeInfo.Network
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// determine staking denom
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stakingParams, err := client.Query.Staking.Params(context.Background(), &stakingtypes.QueryParamsRequest{})
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if err != nil {
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panic(fmt.Sprintf("failed to fetch 0gchain staking params: %s", err))
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}
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zgChain.StakingDenom = stakingParams.Params.BondDenom
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chains.Register("0gchain", &zgChain)
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fmt.Printf("successfully connected to live network %+v\n", zgChain)
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return chains
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}
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// Shutdown implements NodeRunner.
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// As the chains are externally operated, this is a no-op.
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func (LiveNodeRunner) Shutdown() {
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fmt.Println("shutting down e2e test connections.")
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}
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