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https://gitlab.com/pulsechaincom/prysm-pulse.git
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1ddb19bba6
sharding: create a syncer and a simulator package Former-commit-id: b392885510ba5a96e61278cbbe2c0ec6f9722ee8 [formerly 3a435eaf6805d02beae55656f155b2c3a66ee663] Former-commit-id: 0f6f3f2053ae77711e2072848b727b0dc9b92276
68 lines
2.3 KiB
Go
68 lines
2.3 KiB
Go
package mainchain
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import (
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"context"
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"math/big"
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"time"
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ethereum "github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/accounts"
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"github.com/ethereum/go-ethereum/accounts/abi/bind"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/sharding/contracts"
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)
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// Signer defines an interface that can read from the Ethereum mainchain as well call
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// read-only methods and functions from the Sharding Manager Contract.
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type Signer interface {
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Sign(hash common.Hash) ([]byte, error)
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}
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// ContractManager specifies an interface that defines both read/write
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// operations on a contract in the Ethereum mainchain.
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type ContractManager interface {
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ContractCaller
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ContractTransactor
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}
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// ContractCaller defines an interface that can read from a contract on the
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// Ethereum mainchain as well as call its read-only methods and functions.
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type ContractCaller interface {
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SMCCaller() *contracts.SMCCaller
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GetShardCount() (int64, error)
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}
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// ContractTransactor defines an interface that can transact with a contract on the
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// Ethereum mainchain as well as call its methods and functions.
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type ContractTransactor interface {
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SMCTransactor() *contracts.SMCTransactor
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CreateTXOpts(value *big.Int) (*bind.TransactOpts, error)
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}
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// EthClient defines the methods that will be used to perform rpc calls
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// to the main geth node, and be responsible for other user-specific data
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type EthClient interface {
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Account() *accounts.Account
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WaitForTransaction(ctx context.Context, hash common.Hash, durationInSeconds time.Duration) error
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TransactionReceipt(hash common.Hash) (*types.Receipt, error)
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DepositFlag() bool
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}
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// Reader defines an interface for a struct that can read mainchain information
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// such as blocks, transactions, receipts, and more. Useful for testing.
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type Reader interface {
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BlockByNumber(ctx context.Context, number *big.Int) (*types.Block, error)
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SubscribeNewHead(ctx context.Context, ch chan<- *types.Header) (ethereum.Subscription, error)
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}
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// RecordFetcher serves as an interface for a struct that can fetch collation information
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// from a sharding manager contract on the Ethereum mainchain.
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type RecordFetcher interface {
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CollationRecords(opts *bind.CallOpts, arg0 *big.Int, arg1 *big.Int) (struct {
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ChunkRoot [32]byte
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Proposer common.Address
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IsElected bool
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}, error)
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}
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