@ -21,7 +21,10 @@ func newBatchData(batchNum int) common.BatchData {
L2Txs : [ ] common . L2Tx { } ,
Batch : common . Batch {
BatchNum : common . BatchNum ( batchNum ) ,
StateRoot : big . NewInt ( 0 ) , ExitRoot : big . NewInt ( 0 ) } ,
StateRoot : big . NewInt ( 0 ) , ExitRoot : big . NewInt ( 0 ) ,
FeeIdxsCoordinator : make ( [ ] common . Idx , 0 ) ,
CollectedFees : make ( map [ common . TokenID ] * big . Int ) ,
} ,
}
}
@ -36,13 +39,22 @@ func newBlock(blockNum int64) common.BlockData {
}
}
type contextExtra struct {
openToForge int64
toForgeL1TxsNum int64
nonces map [ common . Idx ] common . Nonce
idx int
}
// Context contains the data of the test
type Context struct {
Instructions [ ] instruction
userNames [ ] string
Users map [ string ] * User
Users map [ string ] * User // Name -> *User
usersByIdx map [ int ] * User
accountsByIdx map [ int ] * Account
LastRegisteredTokenID common . TokenID
l1CreatedAccounts map [ string ] * Account
l1CreatedAccounts map [ string ] * Account // (Name, TokenID) -> *Account
// rollupConstMaxL1UserTx Maximum L1-user transactions allowed to be queued in a batch
rollupConstMaxL1UserTx int
@ -59,6 +71,8 @@ type Context struct {
l2Txs [ ] L2Tx
}
blockNum int64
extra contextExtra
}
// NewContext returns a new Context
@ -67,6 +81,8 @@ func NewContext(rollupConstMaxL1UserTx int) *Context {
return & Context {
Users : make ( map [ string ] * User ) ,
l1CreatedAccounts : make ( map [ string ] * Account ) ,
usersByIdx : make ( map [ int ] * User ) ,
accountsByIdx : make ( map [ int ] * Account ) ,
LastRegisteredTokenID : 0 ,
rollupConstMaxL1UserTx : rollupConstMaxL1UserTx ,
@ -82,17 +98,26 @@ func NewContext(rollupConstMaxL1UserTx int) *Context {
openToForge : 1 ,
//nolint:gomnd
blockNum : 2 , // rollup genesis blockNum
extra : contextExtra {
openToForge : 0 ,
toForgeL1TxsNum : 0 ,
nonces : make ( map [ common . Idx ] common . Nonce ) ,
idx : common . UserThreshold ,
} ,
}
}
// Account contains the data related to the account for a specific TokenID of a User
type Account struct {
Idx common . Idx
Nonce common . Nonce
Idx common . Idx
TokenID common . TokenID
Nonce common . Nonce
BatchNum int
}
// User contains the data related to a testing user
type User struct {
Name string
BJJ * babyjub . PrivateKey
Addr ethCommon . Address
Accounts map [ common . TokenID ] * Account
@ -361,10 +386,14 @@ func (tc *Context) calculateIdxForL1Txs(isCoordinatorTxs bool, txs []L1Tx) error
return fmt . Errorf ( "Can not create same account twice (same User (%s) & same TokenID (%d)) (this is a design property of Til)" , tx . fromIdxName , tx . L1Tx . TokenID )
}
tc . Users [ tx . fromIdxName ] . Accounts [ tx . L1Tx . TokenID ] = & Account {
Idx : common . Idx ( tc . idx ) ,
Nonce : common . Nonce ( 0 ) ,
Idx : common . Idx ( tc . idx ) ,
TokenID : tx . L1Tx . TokenID ,
Nonce : common . Nonce ( 0 ) ,
BatchNum : tc . currBatchNum ,
}
tc . l1CreatedAccounts [ idxTokenIDToString ( tx . fromIdxName , tx . L1Tx . TokenID ) ] = tc . Users [ tx . fromIdxName ] . Accounts [ tx . L1Tx . TokenID ]
tc . accountsByIdx [ tc . idx ] = tc . Users [ tx . fromIdxName ] . Accounts [ tx . L1Tx . TokenID ]
tc . usersByIdx [ tc . idx ] = tc . Users [ tx . fromIdxName ]
tc . idx ++
}
if isCoordinatorTxs {
@ -606,6 +635,7 @@ func (tc *Context) generateKeys(userNames []string) {
addr := ethCrypto . PubkeyToAddress ( key . PublicKey )
u := User {
Name : userNames [ i - 1 ] ,
BJJ : & sk ,
Addr : addr ,
Accounts : make ( map [ common . TokenID ] * Account ) ,
@ -622,3 +652,205 @@ func L1TxsToCommonL1Txs(l1 []L1Tx) []common.L1Tx {
}
return r
}
// ConfigExtra is the configuration used in FillBlocksExtra to extend the
// blocks returned by til.
type ConfigExtra struct {
// Address to set as forger for each batch
BootCoordAddr ethCommon . Address
// Coordinator user name used to select the corresponding accounts to
// collect coordinator fees
CoordUser string
}
// FillBlocksExtra fills extra fields not generated by til in each block, so
// that the blockData is closer to what the HistoryDB stores. The filled fields are:
// - blocks[].Rollup.L1UserTxs[].BatchNum
// - blocks[].Rollup.Batch.EthBlockNum
// - blocks[].Rollup.Batch.ForgerAddr
// - blocks[].Rollup.Batch.ForgeL1TxsNum
// - blocks[].Rollup.Batch.L1CoordinatorTxs[].TxID
// - blocks[].Rollup.Batch.L1CoordinatorTxs[].BatchNum
// - blocks[].Rollup.Batch.L1CoordinatorTxs[].EthBlockNum
// - blocks[].Rollup.Batch.L1CoordinatorTxs[].Position
// - blocks[].Rollup.Batch.L2Txs[].TxID
// - blocks[].Rollup.Batch.L2Txs[].Position
// - blocks[].Rollup.Batch.L2Txs[].Nonce
// - blocks[].Rollup.Batch.ExitTree
// - blocks[].Rollup.Batch.CreatedAccounts
// - blocks[].Rollup.Batch.FeeIdxCoordinator
// - blocks[].Rollup.Batch.CollectedFees
func ( tc * Context ) FillBlocksExtra ( blocks [ ] common . BlockData , cfg * ConfigExtra ) error {
// Fill extra fields not generated by til in til block
for i := range blocks {
block := & blocks [ i ]
for j := range block . Rollup . Batches {
batch := & block . Rollup . Batches [ j ]
if batch . L1Batch {
// Set BatchNum for forged L1UserTxs to til blocks
bn := batch . Batch . BatchNum
for k := range blocks {
block := & blocks [ k ]
for l := range block . Rollup . L1UserTxs {
tx := & block . Rollup . L1UserTxs [ l ]
if * tx . ToForgeL1TxsNum == tc . extra . openToForge {
tx . BatchNum = & bn
}
}
}
tc . extra . openToForge ++
}
batch . Batch . EthBlockNum = block . Block . EthBlockNum
// til doesn't fill the batch forger addr
batch . Batch . ForgerAddr = cfg . BootCoordAddr
if batch . L1Batch {
toForgeL1TxsNumCpy := tc . extra . toForgeL1TxsNum
// til doesn't fill the ForgeL1TxsNum
batch . Batch . ForgeL1TxsNum = & toForgeL1TxsNumCpy
tc . extra . toForgeL1TxsNum ++
}
batchNum := batch . Batch . BatchNum
for k := range batch . L1CoordinatorTxs {
tx := & batch . L1CoordinatorTxs [ k ]
tx . BatchNum = & batchNum
tx . EthBlockNum = batch . Batch . EthBlockNum
}
}
}
// Fill CreatedAccounts
for i := range blocks {
block := & blocks [ i ]
for j := range block . Rollup . Batches {
batch := & block . Rollup . Batches [ j ]
l1Txs := [ ] common . L1Tx { }
if batch . L1Batch {
for _ , tx := range tc . Queues [ * batch . Batch . ForgeL1TxsNum ] {
l1Txs = append ( l1Txs , tx . L1Tx )
}
}
l1Txs = append ( l1Txs , batch . L1CoordinatorTxs ... )
for k := range l1Txs {
tx := & l1Txs [ k ]
if tx . Type == common . TxTypeCreateAccountDeposit ||
tx . Type == common . TxTypeCreateAccountDepositTransfer {
user , ok := tc . usersByIdx [ tc . extra . idx ]
if ! ok {
return fmt . Errorf ( "Created account with idx: %v not found" , tc . extra . idx )
}
batch . CreatedAccounts = append ( batch . CreatedAccounts ,
common . Account {
Idx : common . Idx ( tc . extra . idx ) ,
TokenID : tx . TokenID ,
BatchNum : batch . Batch . BatchNum ,
PublicKey : user . BJJ . Public ( ) ,
EthAddr : user . Addr ,
Nonce : 0 ,
Balance : big . NewInt ( 0 ) ,
} )
tc . extra . idx ++
}
}
}
}
// Fill expected positions in L1CoordinatorTxs and L2Txs
for i := range blocks {
block := & blocks [ i ]
for j := range block . Rollup . Batches {
batch := & block . Rollup . Batches [ j ]
position := 0
if batch . L1Batch {
position = len ( tc . Queues [ * batch . Batch . ForgeL1TxsNum ] )
}
for k := range batch . L1CoordinatorTxs {
tx := & batch . L1CoordinatorTxs [ k ]
tx . Position = position
position ++
nTx , err := common . NewL1Tx ( tx )
if err != nil {
return err
}
* tx = * nTx
}
for k := range batch . L2Txs {
tx := & batch . L2Txs [ k ]
tx . Position = position
position ++
tc . extra . nonces [ tx . FromIdx ] ++
tx . Nonce = tc . extra . nonces [ tx . FromIdx ]
nTx , err := common . NewL2Tx ( tx )
if err != nil {
return err
}
* tx = * nTx
}
}
}
// Fill ExitTree (only AccountIdx and Balance)
for i := range blocks {
block := & blocks [ i ]
for j := range block . Rollup . Batches {
batch := & block . Rollup . Batches [ j ]
if batch . L1Batch {
for _ , _tx := range tc . Queues [ * batch . Batch . ForgeL1TxsNum ] {
tx := _tx . L1Tx
if tx . Type == common . TxTypeForceExit {
batch . ExitTree =
append ( batch . ExitTree ,
common . ExitInfo {
AccountIdx : tx . FromIdx ,
Balance : tx . Amount ,
} )
}
}
}
for k := range batch . L2Txs {
tx := & batch . L2Txs [ k ]
if tx . Type == common . TxTypeExit {
batch . ExitTree = append ( batch . ExitTree , common . ExitInfo {
AccountIdx : tx . FromIdx ,
Balance : tx . Amount ,
} )
}
fee , err := common . CalcFeeAmount ( tx . Amount , tx . Fee )
if err != nil {
return err
}
// Find the TokenID of the tx
fromAcc , ok := tc . accountsByIdx [ int ( tx . FromIdx ) ]
if ! ok {
return fmt . Errorf ( "L2tx.FromIdx idx: %v not found" , tx . FromIdx )
}
// Find the idx of the CoordUser for the
// TokenID, and if it exists, add the fee to
// the collectedFees. Only consider the
// coordinator account to receive fee if it was
// created in this or a previous batch
if acc , ok := tc . l1CreatedAccounts [ idxTokenIDToString ( cfg . CoordUser , fromAcc . TokenID ) ] ; ok &&
common . BatchNum ( acc . BatchNum ) <= batch . Batch . BatchNum {
found := false
for _ , idx := range batch . Batch . FeeIdxsCoordinator {
if idx == common . Idx ( acc . Idx ) {
found = true
break
}
}
if ! found {
batch . Batch . FeeIdxsCoordinator = append ( batch . Batch . FeeIdxsCoordinator ,
common . Idx ( acc . Idx ) )
batch . Batch . CollectedFees [ fromAcc . TokenID ] = big . NewInt ( 0 )
}
collected := batch . Batch . CollectedFees [ fromAcc . TokenID ]
collected . Add ( collected , fee )
}
}
}
}
return nil
}
Eduard S
4 years ago