mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-12-27 00:35:18 +00:00
88 lines
2.4 KiB
Go
88 lines
2.4 KiB
Go
package runner
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import (
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"errors"
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"fmt"
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"github.com/0glabs/0g-chain/chaincfg"
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rpchttpclient "github.com/cometbft/cometbft/rpc/client/http"
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"github.com/ethereum/go-ethereum/ethclient"
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)
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var (
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ErrChainAlreadyExists = errors.New("chain already exists")
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)
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// ChainDetails wraps information about the properties & endpoints of a chain.
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type ChainDetails struct {
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RpcUrl string
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GrpcUrl string
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EvmRpcUrl string
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ChainId string
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StakingDenom string
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}
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// EvmClient dials the underlying EVM RPC url and returns an ethclient.
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func (c ChainDetails) EvmClient() (*ethclient.Client, error) {
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return ethclient.Dial(c.EvmRpcUrl)
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}
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// RpcConn creates a new connection to the underlying Rpc url.
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func (c ChainDetails) RpcConn() (*rpchttpclient.HTTP, error) {
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return rpchttpclient.New(c.RpcUrl, "/websocket")
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}
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// Chains wraps a map of name -> details about how to connect to a chain.
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// It prevents registering multiple chains with the same name & encapsulates
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// panicking if attempting to access a chain that does not exist.
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type Chains struct {
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byName map[string]*ChainDetails
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}
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// NewChains creates an empty Chains map.
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func NewChains() Chains {
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return Chains{byName: make(map[string]*ChainDetails, 0)}
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}
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// MustGetChain returns the chain of a given name,
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// or panics if a chain with that name has not been registered.
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func (c Chains) MustGetChain(name string) *ChainDetails {
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chain, found := c.byName[name]
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if !found {
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panic(fmt.Sprintf("no chain with name %s found", name))
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}
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return chain
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}
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// Register adds a chain to the map.
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// It returns an error if a ChainDetails with that name has already been registered.
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func (c *Chains) Register(name string, chain *ChainDetails) error {
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if _, found := c.byName[name]; found {
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return ErrChainAlreadyExists
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}
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c.byName[name] = chain
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return nil
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}
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// the Chain details are all hardcoded because they are currently fixed by kvtool.
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// someday they may be accepted as configurable parameters.
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var (
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kvtoolZgChainChain = ChainDetails{
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RpcUrl: "http://localhost:26657",
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GrpcUrl: "http://localhost:9090",
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EvmRpcUrl: "http://localhost:8545",
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ChainId: "0gchainlocalnet_8888-1",
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StakingDenom: chaincfg.GasDenom,
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}
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kvtoolIbcChain = ChainDetails{
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RpcUrl: "http://localhost:26658",
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GrpcUrl: "http://localhost:9092",
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EvmRpcUrl: "http://localhost:8547",
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ChainId: "0gchainlocalnet_8889-2",
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StakingDenom: "uatom",
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}
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)
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