c1991e31bd
* Bump Tendermint version to v0.33.0 * Deprecate old cmn package with new packages * Update update DB APIs * More DB updates * Bump IAVL to v0.13.0 * Handle error returned by iavl.NewMutableTree * Fix some IAVL stuffs * Update IAVL * More updates * Passing tests * Fix unit tests Co-authored-by: Jack Zampolin <jack.zampolin@gmail.com>
57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
package context
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import (
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"path/filepath"
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"github.com/pkg/errors"
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"github.com/tendermint/tendermint/libs/log"
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tmlite "github.com/tendermint/tendermint/lite"
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tmliteproxy "github.com/tendermint/tendermint/lite/proxy"
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rpcclient "github.com/tendermint/tendermint/rpc/client"
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)
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const (
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verifierDir = ".lite_verifier"
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// DefaultVerifierCacheSize defines the default Tendermint cache size.
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DefaultVerifierCacheSize = 10
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)
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// CreateVerifier returns a Tendermint verifier from a CLIContext object and
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// cache size. An error is returned if the CLIContext is missing required values
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// or if the verifier could not be created. A CLIContext must at the very least
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// have the chain ID and home directory set. If the CLIContext has TrustNode
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// enabled, no verifier will be created.
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func CreateVerifier(ctx CLIContext, cacheSize int) (tmlite.Verifier, error) {
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if ctx.TrustNode {
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return nil, nil
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}
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switch {
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case ctx.ChainID == "":
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return nil, errors.New("must provide a valid chain ID to create verifier")
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case ctx.HomeDir == "":
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return nil, errors.New("must provide a valid home directory to create verifier")
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case ctx.Client == nil && ctx.NodeURI == "":
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return nil, errors.New("must provide a valid RPC client or RPC URI to create verifier")
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}
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var err error
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// create an RPC client based off of the RPC URI if no RPC client exists
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client := ctx.Client
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if client == nil {
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client, err = rpcclient.NewHTTP(ctx.NodeURI, "/websocket")
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if err != nil {
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return nil, err
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}
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}
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return tmliteproxy.NewVerifier(
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ctx.ChainID, filepath.Join(ctx.HomeDir, ctx.ChainID, verifierDir),
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client, log.NewNopLogger(), cacheSize,
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)
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}
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