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channel_definition_cache_factory.go
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/
channel_definition_cache_factory.go
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package llo
import (
"fmt"
"sync"
"github.com/ethereum/go-ethereum/common"
llotypes "github.com/smartcontractkit/chainlink-common/pkg/types/llo"
"github.com/smartcontractkit/chainlink/v2/core/chains/evm/logpoller"
"github.com/smartcontractkit/chainlink/v2/core/logger"
lloconfig "github.com/smartcontractkit/chainlink/v2/core/services/ocr2/plugins/llo/config"
)
type ChannelDefinitionCacheFactory interface {
NewCache(cfg lloconfig.PluginConfig) (llotypes.ChannelDefinitionCache, error)
}
var _ ChannelDefinitionCacheFactory = &channelDefinitionCacheFactory{}
func NewChannelDefinitionCacheFactory(lggr logger.Logger, orm ChannelDefinitionCacheORM, lp logpoller.LogPoller) ChannelDefinitionCacheFactory {
return &channelDefinitionCacheFactory{
lggr,
orm,
lp,
make(map[common.Address]struct{}),
sync.Mutex{},
}
}
type channelDefinitionCacheFactory struct {
lggr logger.Logger
orm ChannelDefinitionCacheORM
lp logpoller.LogPoller
caches map[common.Address]struct{}
mu sync.Mutex
}
func (f *channelDefinitionCacheFactory) NewCache(cfg lloconfig.PluginConfig) (llotypes.ChannelDefinitionCache, error) {
if cfg.ChannelDefinitions != "" {
return NewStaticChannelDefinitionCache(f.lggr, cfg.ChannelDefinitions)
}
addr := cfg.ChannelDefinitionsContractAddress
fromBlock := cfg.ChannelDefinitionsContractFromBlock
f.mu.Lock()
defer f.mu.Unlock()
if _, exists := f.caches[addr]; exists {
// This shouldn't really happen and isn't supported
return nil, fmt.Errorf("cache already exists for contract address %s", addr.Hex())
}
f.caches[addr] = struct{}{}
return NewChannelDefinitionCache(f.lggr, f.orm, f.lp, addr, fromBlock), nil
}