forked from cerc-io/ipld-eth-server
refactor out remaining unused bits
This commit is contained in:
@@ -16,38 +16,6 @@
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package eth
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import (
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"math/big"
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"github.com/spf13/viper"
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)
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// SubscriptionSettings config is used by a subscriber to specify what eth data to stream from the watcher
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type SubscriptionSettings struct {
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BackFill bool
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BackFillOnly bool
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Start *big.Int
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End *big.Int // set to 0 or a negative value to have no ending block
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HeaderFilter HeaderFilter
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TxFilter TxFilter
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ReceiptFilter ReceiptFilter
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StateFilter StateFilter
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StorageFilter StorageFilter
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}
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// HeaderFilter contains filter settings for headers
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type HeaderFilter struct {
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Off bool
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Uncles bool
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}
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// TxFilter contains filter settings for txs
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type TxFilter struct {
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Off bool
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Src []string
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Dst []string
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}
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// ReceiptFilter contains filter settings for receipts
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type ReceiptFilter struct {
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Off bool
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@@ -56,70 +24,3 @@ type ReceiptFilter struct {
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LogAddresses []string // receipt contains logs from the provided addresses
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Topics [][]string
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}
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// StateFilter contains filter settings for state
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type StateFilter struct {
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Off bool
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Addresses []string // is converted to state key by taking its keccak256 hash
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IntermediateNodes bool
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}
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// StorageFilter contains filter settings for storage
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type StorageFilter struct {
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Off bool
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Addresses []string
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StorageKeys []string // need to be the hashs key themselves not slot position
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IntermediateNodes bool
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}
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// Init is used to initialize a EthSubscription struct with env variables
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func NewEthSubscriptionConfig() (*SubscriptionSettings, error) {
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sc := new(SubscriptionSettings)
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// Below default to false, which means we do not backfill by default
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sc.BackFill = viper.GetBool("watcher.ethSubscription.historicalData")
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sc.BackFillOnly = viper.GetBool("watcher.ethSubscription.historicalDataOnly")
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// Below default to 0
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// 0 start means we start at the beginning and 0 end means we continue indefinitely
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sc.Start = big.NewInt(viper.GetInt64("watcher.ethSubscription.startingBlock"))
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sc.End = big.NewInt(viper.GetInt64("watcher.ethSubscription.endingBlock"))
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// Below default to false, which means we get all headers and no uncles by default
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sc.HeaderFilter = HeaderFilter{
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Off: viper.GetBool("watcher.ethSubscription.headerFilter.off"),
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Uncles: viper.GetBool("watcher.ethSubscription.headerFilter.uncles"),
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}
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// Below defaults to false and two slices of length 0
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// Which means we get all transactions by default
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sc.TxFilter = TxFilter{
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Off: viper.GetBool("watcher.ethSubscription.txFilter.off"),
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Src: viper.GetStringSlice("watcher.ethSubscription.txFilter.src"),
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Dst: viper.GetStringSlice("watcher.ethSubscription.txFilter.dst"),
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}
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// By default all of the topic slices will be empty => match on any/all topics
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topics := make([][]string, 4)
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topics[0] = viper.GetStringSlice("watcher.ethSubscription.receiptFilter.topic0s")
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topics[1] = viper.GetStringSlice("watcher.ethSubscription.receiptFilter.topic1s")
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topics[2] = viper.GetStringSlice("watcher.ethSubscription.receiptFilter.topic2s")
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topics[3] = viper.GetStringSlice("watcher.ethSubscription.receiptFilter.topic3s")
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sc.ReceiptFilter = ReceiptFilter{
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Off: viper.GetBool("watcher.ethSubscription.receiptFilter.off"),
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MatchTxs: viper.GetBool("watcher.ethSubscription.receiptFilter.matchTxs"),
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LogAddresses: viper.GetStringSlice("watcher.ethSubscription.receiptFilter.contracts"),
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Topics: topics,
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}
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// Below defaults to two false, and a slice of length 0
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// Which means we get all state leafs by default, but no intermediate nodes
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sc.StateFilter = StateFilter{
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Off: viper.GetBool("watcher.ethSubscription.stateFilter.off"),
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IntermediateNodes: viper.GetBool("watcher.ethSubscription.stateFilter.intermediateNodes"),
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Addresses: viper.GetStringSlice("watcher.ethSubscription.stateFilter.addresses"),
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}
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// Below defaults to two false, and two slices of length 0
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// Which means we get all storage leafs by default, but no intermediate nodes
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sc.StorageFilter = StorageFilter{
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Off: viper.GetBool("watcher.ethSubscription.storageFilter.off"),
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IntermediateNodes: viper.GetBool("watcher.ethSubscription.storageFilter.intermediateNodes"),
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Addresses: viper.GetStringSlice("watcher.ethSubscription.storageFilter.addresses"),
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StorageKeys: viper.GetStringSlice("watcher.ethSubscription.storageFilter.storageKeys"),
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}
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return sc, nil
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}
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