/
mint_process.go
415 lines (351 loc) · 11.6 KB
/
mint_process.go
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package collection
import (
"sync"
extensioncurrency "github.com/ProtoconNet/mitum-currency-extension/currency"
"github.com/ProtoconNet/mitum-nft/nft"
"github.com/pkg/errors"
"github.com/spikeekips/mitum-currency/currency"
"github.com/spikeekips/mitum/base"
"github.com/spikeekips/mitum/base/operation"
"github.com/spikeekips/mitum/base/state"
"github.com/spikeekips/mitum/util/valuehash"
)
var MintItemProcessorPool = sync.Pool{
New: func() interface{} {
return new(MintItemProcessor)
},
}
var MintProcessorPool = sync.Pool{
New: func() interface{} {
return new(MintProcessor)
},
}
func (Mint) Process(
func(key string) (state.State, bool, error),
func(valuehash.Hash, ...state.State) error,
) error {
return nil
}
type MintItemProcessor struct {
cp *extensioncurrency.CurrencyPool
h valuehash.Hash
idx uint64
box *NFTBox
nft nft.NFT
nst state.State
sender base.Address
item MintItem
}
func (ipp *MintItemProcessor) PreProcess(
getState func(key string) (state.State, bool, error),
_ func(valuehash.Hash, ...state.State) error,
) error {
if err := ipp.item.IsValid(nil); err != nil {
return err
}
id := nft.NewNFTID(ipp.item.Collection(), ipp.idx)
if err := id.IsValid(nil); err != nil {
return err
}
if st, err := notExistsState(StateKeyNFT(id), "nft", getState); err != nil {
return err
} else {
ipp.nst = st
}
form := ipp.item.Form()
if form.Creators().Total() != 0 {
creators := form.Creators().Signers()
for i := range creators {
creator := creators[i].Account()
if err := checkExistsState(currency.StateKeyAccount(creator), getState); err != nil {
return err
} else if err = checkNotExistsState(extensioncurrency.StateKeyContractAccount(creator), getState); err != nil {
return errors.Errorf("contract account cannot be a creator; %q", creator)
}
if creators[i].Signed() {
return errors.Errorf("Cannot sign at the same time as minting; %q", creator)
}
}
}
if form.Copyrighters().Total() != 0 {
copyrighters := form.Copyrighters().Signers()
for i := range copyrighters {
copyrighter := copyrighters[i].Account()
if err := checkExistsState(currency.StateKeyAccount(copyrighter), getState); err != nil {
return err
} else if err = checkNotExistsState(extensioncurrency.StateKeyContractAccount(copyrighter), getState); err != nil {
return errors.Errorf("contract account cannot be a copyrighter; %q", copyrighter)
}
if copyrighters[i].Signed() {
return errors.Errorf("Cannot sign at the same time as minting; %q", copyrighter)
}
}
}
n := nft.NewNFT(id, true, ipp.sender, form.NftHash(), form.Uri(), ipp.sender, form.Creators(), form.Copyrighters())
if err := n.IsValid(nil); err != nil {
return operation.NewBaseReasonError(err.Error())
}
ipp.nft = n
return nil
}
func (ipp *MintItemProcessor) Process(
_ func(key string) (state.State, bool, error),
_ func(valuehash.Hash, ...state.State) error,
) ([]state.State, error) {
var states []state.State
if err := ipp.box.Append(ipp.nft.ID()); err != nil {
return nil, err
}
if st, err := SetStateNFTValue(ipp.nst, ipp.nft); err != nil {
return nil, err
} else {
states = append(states, st)
}
return states, nil
}
func (ipp *MintItemProcessor) Close() error {
ipp.cp = nil
ipp.h = nil
ipp.idx = 0
ipp.box = nil
ipp.nft = nft.NFT{}
ipp.nst = nil
ipp.sender = nil
ipp.item = MintItem{}
MintItemProcessorPool.Put(ipp)
return nil
}
type MintProcessor struct {
cp *extensioncurrency.CurrencyPool
Mint
ipps []*MintItemProcessor
idxes map[extensioncurrency.ContractID]uint64
idxStates map[extensioncurrency.ContractID]state.State
boxes map[extensioncurrency.ContractID]*NFTBox
boxStates map[extensioncurrency.ContractID]state.State
amountStates map[currency.CurrencyID]currency.AmountState
required map[currency.CurrencyID][2]currency.Big
}
func NewMintProcessor(cp *extensioncurrency.CurrencyPool) currency.GetNewProcessor {
return func(op state.Processor) (state.Processor, error) {
i, ok := op.(Mint)
if !ok {
return nil, errors.Errorf("not Mint; %T", op)
}
opp := MintProcessorPool.Get().(*MintProcessor)
opp.cp = cp
opp.Mint = i
opp.ipps = nil
opp.idxes = nil
opp.idxStates = nil
opp.boxes = nil
opp.boxStates = nil
opp.amountStates = nil
opp.required = nil
return opp, nil
}
}
func (opp *MintProcessor) PreProcess(
getState func(string) (state.State, bool, error),
setState func(valuehash.Hash, ...state.State) error,
) (state.Processor, error) {
fact, ok := opp.Fact().(MintFact)
if !ok {
return nil, operation.NewBaseReasonError("not MintFact; %T", opp.Fact())
}
if err := fact.IsValid(nil); err != nil {
return nil, operation.NewBaseReasonError(err.Error())
}
if err := checkExistsState(currency.StateKeyAccount(fact.Sender()), getState); err != nil {
return nil, operation.NewBaseReasonError(err.Error())
}
if err := checkNotExistsState(extensioncurrency.StateKeyContractAccount(fact.Sender()), getState); err != nil {
return nil, operation.NewBaseReasonError("contract account cannot mint nfts; %q", fact.Sender())
}
if err := checkFactSignsByState(fact.Sender(), opp.Signs(), getState); err != nil {
return nil, operation.NewBaseReasonError("invalid signing; %w", err)
}
opp.idxes = map[extensioncurrency.ContractID]uint64{}
opp.idxStates = map[extensioncurrency.ContractID]state.State{}
opp.boxes = map[extensioncurrency.ContractID]*NFTBox{}
opp.boxStates = map[extensioncurrency.ContractID]state.State{}
for i := range fact.items {
collection := fact.items[i].Collection()
if _, found := opp.idxes[collection]; !found {
if st, err := existsState(StateKeyCollection(collection), "design", getState); err != nil {
return nil, operation.NewBaseReasonError(err.Error())
} else if design, err := StateCollectionValue(st); err != nil {
return nil, operation.NewBaseReasonError(err.Error())
} else if !design.Active() {
return nil, operation.NewBaseReasonError("deactivated collection; %q", design.Symbol())
} else if policy, ok := design.Policy().(CollectionPolicy); !ok {
return nil, operation.NewBaseReasonError("policy of design is not collection-policy; %q", design.Symbol())
} else if whites := policy.Whites(); len(whites) == 0 {
return nil, operation.NewBaseReasonError("empty whitelist! nobody can mint to this collection; %q", collection)
} else if cst, err := existsState(extensioncurrency.StateKeyContractAccount(design.Parent()), "contract account", getState); err != nil {
return nil, operation.NewBaseReasonError(err.Error())
} else if ca, err := extensioncurrency.StateContractAccountValue(cst); err != nil {
return nil, operation.NewBaseReasonError(err.Error())
} else if !ca.IsActive() {
return nil, operation.NewBaseReasonError("deactivated contract account; %q", design.Parent())
} else {
for i := range whites {
if whites[i].Equal(fact.Sender()) {
break
}
if i == len(whites)-1 {
return nil, operation.NewBaseReasonError("sender is not whitelisted; %q", fact.Sender())
}
}
}
if st, err := existsState(StateKeyCollectionLastIDX(collection), "collection idx", getState); err != nil {
return nil, operation.NewBaseReasonError(err.Error())
} else if idx, err := StateCollectionLastIDXValue(st); err != nil {
return nil, operation.NewBaseReasonError(err.Error())
} else {
opp.idxes[collection] = idx
opp.idxStates[collection] = st
}
}
if _, found := opp.boxes[collection]; !found {
var box NFTBox
switch st, found, err := getState(StateKeyNFTs(collection)); {
case err != nil:
return nil, operation.NewBaseReasonError(err.Error())
case !found:
box = NewNFTBox(nil)
opp.boxStates[collection] = st
default:
b, err := StateNFTsValue(st)
if err != nil {
return nil, operation.NewBaseReasonError(err.Error())
}
box = b
opp.boxStates[collection] = st
}
opp.boxes[collection] = &box
}
}
ipps := make([]*MintItemProcessor, len(fact.items))
for i := range fact.items {
collection := fact.items[i].Collection()
idx := opp.idxes[collection] + 1
opp.idxes[collection] = idx
c := MintItemProcessorPool.Get().(*MintItemProcessor)
c.cp = opp.cp
c.h = opp.Hash()
c.idx = idx
c.box = opp.boxes[collection]
c.nft = nft.NFT{}
c.nst = nil
c.sender = fact.Sender()
c.item = fact.items[i]
if err := c.PreProcess(getState, setState); err != nil {
return nil, operation.NewBaseReasonError(err.Error())
}
ipps[i] = c
}
if required, err := opp.calculateItemsFee(); err != nil {
return nil, operation.NewBaseReasonError("failed to calculate fee; %w", err)
} else if sts, err := CheckSenderEnoughBalance(fact.Sender(), required, getState); err != nil {
return nil, operation.NewBaseReasonError("failed to calculate fee; %w", err)
} else {
opp.required = required
opp.amountStates = sts
}
if err := checkFactSignsByState(fact.Sender(), opp.Signs(), getState); err != nil {
return nil, operation.NewBaseReasonError("invalid signing; %w", err)
}
opp.ipps = ipps
return opp, nil
}
func (opp *MintProcessor) Process(
getState func(key string) (state.State, bool, error),
setState func(valuehash.Hash, ...state.State) error,
) error {
fact, ok := opp.Fact().(MintFact)
if !ok {
return operation.NewBaseReasonError("not MintFact; %T", opp.Fact())
}
var states []state.State
for i := range opp.ipps {
if sts, err := opp.ipps[i].Process(getState, setState); err != nil {
return operation.NewBaseReasonError("failed to process mint item; %w", err)
} else {
states = append(states, sts...)
}
}
for c, idx := range opp.idxes {
if st, err := SetStateCollectionLastIDXValue(opp.idxStates[c], idx); err != nil {
return operation.NewBaseReasonError(err.Error())
} else {
states = append(states, st)
}
}
for c, box := range opp.boxes {
if st, err := SetStateNFTsValue(opp.boxStates[c], *box); err != nil {
return operation.NewBaseReasonError(err.Error())
} else {
states = append(states, st)
}
}
for k := range opp.required {
rq := opp.required[k]
states = append(states, opp.amountStates[k].Sub(rq[0]).AddFee(rq[1]))
}
return setState(fact.Hash(), states...)
}
func (opp *MintProcessor) Close() error {
for i := range opp.ipps {
_ = opp.ipps[i].Close()
}
opp.cp = nil
opp.Mint = Mint{}
opp.ipps = nil
opp.idxes = nil
opp.idxStates = nil
opp.boxes = nil
opp.boxStates = nil
opp.amountStates = nil
opp.required = nil
MintProcessorPool.Put(opp)
return nil
}
func (opp *MintProcessor) calculateItemsFee() (map[currency.CurrencyID][2]currency.Big, error) {
fact, ok := opp.Fact().(MintFact)
if !ok {
return nil, errors.Errorf("not MintFact; %T", opp.Fact())
}
items := make([]MintItem, len(fact.items))
for i := range fact.items {
items[i] = fact.items[i]
}
return CalculateMintItemsFee(opp.cp, items)
}
func CalculateMintItemsFee(cp *extensioncurrency.CurrencyPool, items []MintItem) (map[currency.CurrencyID][2]currency.Big, error) {
required := map[currency.CurrencyID][2]currency.Big{}
for i := range items {
it := items[i]
rq := [2]currency.Big{currency.ZeroBig, currency.ZeroBig}
if k, found := required[it.Currency()]; found {
rq = k
}
if cp == nil {
required[it.Currency()] = [2]currency.Big{rq[0], rq[1]}
continue
}
feeer, found := cp.Feeer(it.Currency())
if !found {
return nil, errors.Errorf("unknown currency id found; %q", it.Currency())
}
switch k, err := feeer.Fee(currency.ZeroBig); {
case err != nil:
return nil, err
case !k.OverZero():
required[it.Currency()] = [2]currency.Big{rq[0], rq[1]}
default:
required[it.Currency()] = [2]currency.Big{rq[0].Add(k), rq[1].Add(k)}
}
}
return required, nil
}