// VulcanizeDB
// Copyright © 2019 Vulcanize

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.

// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package eth

import (
	"math/big"

	"github.com/ethereum/go-ethereum/common"
	"github.com/ethereum/go-ethereum/common/hexutil"
	"github.com/ethereum/go-ethereum/core/types"

	"github.com/ethereum/go-ethereum/statediff/indexer/ipfs"
	"github.com/ethereum/go-ethereum/statediff/indexer/models"
	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
)

// RPCTransaction represents a transaction that will serialize to the RPC representation of a transaction
type RPCTransaction struct {
	BlockHash        *common.Hash      `json:"blockHash"`
	BlockNumber      *hexutil.Big      `json:"blockNumber"`
	From             common.Address    `json:"from"`
	Gas              hexutil.Uint64    `json:"gas"`
	GasPrice         *hexutil.Big      `json:"gasPrice"`
	GasFeeCap        *hexutil.Big      `json:"maxFeePerGas,omitempty"`
	GasTipCap        *hexutil.Big      `json:"maxPriorityFeePerGas,omitempty"`
	Hash             common.Hash       `json:"hash"`
	Input            hexutil.Bytes     `json:"input"`
	Nonce            hexutil.Uint64    `json:"nonce"`
	To               *common.Address   `json:"to"`
	TransactionIndex *hexutil.Uint64   `json:"transactionIndex"`
	Value            *hexutil.Big      `json:"value"`
	Type             hexutil.Uint64    `json:"type"`
	Accesses         *types.AccessList `json:"accessList,omitempty"`
	ChainID          *hexutil.Big      `json:"chainId,omitempty"`
	V                *hexutil.Big      `json:"v"`
	R                *hexutil.Big      `json:"r"`
	S                *hexutil.Big      `json:"s"`
}

// RPCReceipt represents a receipt that will serialize to the RPC representation of a receipt
type RPCReceipt struct {
	BlockHash        *common.Hash    `json:"blockHash"`
	BlockNumber      *hexutil.Big    `json:"blockNumber"`
	TransactionHash  *common.Hash    `json:"transactionHash"`
	TransactionIndex *hexutil.Uint64 `json:"transactionIndex"`
	From             common.Address  `json:"from"`
	To               *common.Address `json:"to"`
	GasUsed          hexutil.Uint64  `json:"gasUsed"`
	CumulativeGsUsed hexutil.Uint64  `json:"cumulativeGasUsed"`
	ContractAddress  *common.Address `json:"contractAddress"`
	Logs             []*types.Log    `json:"logs"`
	Bloom            types.Bloom     `json:"logsBloom"`
	Root             []byte          `json:"root"`
	Status           uint64          `json:"status"`
}

// AccountResult struct for GetProof
type AccountResult struct {
	Address      common.Address  `json:"address"`
	AccountProof []string        `json:"accountProof"`
	Balance      *hexutil.Big    `json:"balance"`
	CodeHash     common.Hash     `json:"codeHash"`
	Nonce        hexutil.Uint64  `json:"nonce"`
	StorageHash  common.Hash     `json:"storageHash"`
	StorageProof []StorageResult `json:"storageProof"`
}

// StorageResult for GetProof
type StorageResult struct {
	Key   string       `json:"key"`
	Value *hexutil.Big `json:"value"`
	Proof []string     `json:"proof"`
}

// CallArgs represents the arguments for a call.
type CallArgs struct {
	From                 *common.Address   `json:"from"`
	To                   *common.Address   `json:"to"`
	Gas                  *hexutil.Uint64   `json:"gas"`
	GasPrice             *hexutil.Big      `json:"gasPrice"`
	MaxFeePerGas         *hexutil.Big      `json:"maxFeePerGas"`
	MaxPriorityFeePerGas *hexutil.Big      `json:"maxPriorityFeePerGas"`
	Value                *hexutil.Big      `json:"value"`
	Data                 *hexutil.Bytes    `json:"data"`
	AccessList           *types.AccessList `json:"accessList,omitempty"`
	Input                *hexutil.Bytes    `json:"input"`
}

// account indicates the overriding fields of account during the execution of
// a message call.
// Note, state and stateDiff can't be specified at the same time. If state is
// set, message execution will only use the data in the given state. Otherwise
// if statDiff is set, all diff will be applied first and then execute the call
// message.
type account struct {
	Nonce     *hexutil.Uint64              `json:"nonce"`
	Code      *hexutil.Bytes               `json:"code"`
	Balance   **hexutil.Big                `json:"balance"`
	State     *map[common.Hash]common.Hash `json:"state"`
	StateDiff *map[common.Hash]common.Hash `json:"stateDiff"`
}

// IPLDs is used to package raw IPLD block data fetched from IPFS and returned by the server
// Returned by IPLDFetcher and ResponseFilterer
type IPLDs struct {
	BlockNumber     *big.Int
	TotalDifficulty *big.Int
	Header          ipfs.BlockModel
	Uncles          []ipfs.BlockModel
	Transactions    []ipfs.BlockModel
	Receipts        []ipfs.BlockModel
	StateNodes      []StateNode
	StorageNodes    []StorageNode
}

type StateNode struct {
	Type         sdtypes.NodeType
	StateLeafKey common.Hash
	Path         []byte
	IPLD         ipfs.BlockModel
}

type StorageNode struct {
	Type           sdtypes.NodeType
	StateLeafKey   common.Hash
	StorageLeafKey common.Hash
	Path           []byte
	IPLD           ipfs.BlockModel
}

// CIDWrapper is used to direct fetching of IPLDs from IPFS
// Returned by CIDRetriever
// Passed to IPLDFetcher
type CIDWrapper struct {
	BlockNumber  *big.Int
	Header       models.HeaderModel
	Uncles       []models.UncleModel
	Transactions []models.TxModel
	Receipts     []models.ReceiptModel
	StateNodes   []models.StateNodeModel
	StorageNodes []models.StorageNodeWithStateKeyModel
}

// ConvertedPayload is a custom type which packages raw ETH data for publishing to IPFS and filtering to subscribers
// Returned by PayloadConverter
// Passed to IPLDPublisher and ResponseFilterer
type ConvertedPayload struct {
	TotalDifficulty *big.Int
	Block           *types.Block
	TxMetaData      []models.TxModel
	Receipts        types.Receipts
	ReceiptMetaData []models.ReceiptModel
	StateNodes      []sdtypes.StateNode
	StorageNodes    map[string][]sdtypes.StorageNode
}

// customLog represent a log.
type customLog struct {
	ID          int64  `db:"id"`
	LeafCID     string `db:"leaf_cid"`
	LeafMhKey   string `db:"leaf_mh_key"`
	ReceiptID   int64  `db:"receipt_id"`
	Address     string `db:"address"`
	Index       int64  `db:"index"`
	Data        []byte `db:"log_data"`
	Topic0      string `db:"topic0"`
	Topic1      string `db:"topic1"`
	Topic2      string `db:"topic2"`
	Topic3      string `db:"topic3"`
	RctData     []byte `db:"data"`
	RctCID      string `db:"cid"`
	RctStatus   uint64 `db:"post_status"`
	BlockNumber string `db:"block_number"`
	BlockHash   string `db:"block_hash"`
	TxnIndex    int64  `db:"txn_index"`
	TxHash      string `db:"tx_hash"`
}