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setup.go
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setup.go
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package light
import (
"context"
"time"
"github.com/tendermint/tendermint/light/provider"
"github.com/tendermint/tendermint/light/provider/http"
"github.com/tendermint/tendermint/light/store"
)
// NewHTTPClient initiates an instance of a light client using HTTP addresses
// for both the primary provider and witnesses of the light client. A trusted
// header and hash must be passed to initialize the client.
//
// See all Option(s) for the additional configuration.
// See NewClient.
func NewHTTPClient(
ctx context.Context,
chainID string,
trustOptions TrustOptions,
primaryAddress string,
witnessesAddresses []string,
trustedStore store.Store,
options ...Option) (*Client, error) {
providers, err := providersFromAddresses(append(witnessesAddresses, primaryAddress), chainID)
if err != nil {
return nil, err
}
return NewClient(
ctx,
chainID,
trustOptions,
providers[len(providers)-1],
providers[:len(providers)-1],
trustedStore,
options...)
}
// NewHTTPClientFromTrustedStore initiates an instance of a light client using
// HTTP addresses for both the primary provider and witnesses and uses a
// trusted store as the root of trust.
//
// See all Option(s) for the additional configuration.
// See NewClientFromTrustedStore.
func NewHTTPClientFromTrustedStore(
chainID string,
trustingPeriod time.Duration,
primaryAddress string,
witnessesAddresses []string,
trustedStore store.Store,
options ...Option) (*Client, error) {
providers, err := providersFromAddresses(append(witnessesAddresses, primaryAddress), chainID)
if err != nil {
return nil, err
}
return NewClientFromTrustedStore(
chainID,
trustingPeriod,
providers[len(providers)-1],
providers[:len(providers)-1],
trustedStore,
options...)
}
func providersFromAddresses(addrs []string, chainID string) ([]provider.Provider, error) {
providers := make([]provider.Provider, len(addrs))
for idx, address := range addrs {
p, err := http.New(chainID, address)
if err != nil {
return nil, err
}
providers[idx] = p
}
return providers, nil
}