/
flow_rollup.go
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/
flow_rollup.go
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// Copyright (c) 2020-2024 Blockwatch Data Inc.
// Author: alex@blockwatch.cc
package etl
import (
"blockwatch.cc/tzindex/etl/model"
"blockwatch.cc/tzindex/rpc"
)
func (b *Builder) NewRollupOriginationFlows(
src, dst *model.Account,
srcbkr *model.Baker,
fees, bal rpc.BalanceUpdates,
id model.OpRef) []*model.Flow {
flows, feespaid := b.NewFeeFlows(src, fees, id)
// origination may burn funds
var burned int64
for _, u := range bal {
// we only consider contract out flows and calculate
// the burn even though Ithaca makes this explict
if u.Kind == "contract" {
if u.Change < 0 {
burned += -u.Change
}
}
}
if burned > 0 {
// debit from source as burn
f := model.NewFlow(b.block, src, nil, id)
f.Kind = model.FlowKindBalance
f.Type = model.FlowTypeRollupOrigination
f.AmountOut = burned
f.IsBurned = true
flows = append(flows, f)
}
// handle delegation updates
// debit from source delegation if not baker
if srcbkr != nil && !src.IsBaker && feespaid+burned > 0 {
f := model.NewFlow(b.block, srcbkr.Account, src, id)
f.Kind = model.FlowKindDelegation
f.Type = model.FlowTypeRollupOrigination
f.AmountOut = feespaid + burned // fees and value burned
flows = append(flows, f)
}
b.block.Flows = append(b.block.Flows, flows...)
return flows
}
var (
rollupRewardTypes = map[string]struct{}{
"tx_rollup_rejection_rewards": {},
"smart_rollup_refutation_rewards": {},
}
rollupPunishTypes = map[string]struct{}{
"tx_rollup_rejection_punishments": {},
"smart_rollup_refutation_punishments": {},
}
)
func (b *Builder) NewRollupTransactionFlows(
src, dst, loser, winner, recv *model.Account,
sbkr, lbkr, wbkr *model.Baker,
fees, bal rpc.BalanceUpdates,
block *model.Block,
id model.OpRef) []*model.Flow {
// apply fees
flows, feespaid := b.NewFeeFlows(src, fees, id)
// transaction may burn
var srcBurn, loserBurn int64
for i, u := range bal {
switch u.Kind {
case "contract":
if u.Change < 0 {
// ignore deposit here (handled by freezer updates below)
if len(bal) > i+1 && bal[i+1].Kind == "storage fees" {
// origination burn
f := model.NewFlow(b.block, src, dst, id)
f.Kind = model.FlowKindBalance
f.Type = model.FlowTypeRollupOrigination
f.AmountOut = -u.Change
f.IsBurned = true
srcBurn += -u.Change
flows = append(flows, f)
}
} else {
_, isReward := rollupRewardTypes[bal[i-1].Category]
if i > 0 && isReward {
// accuser rewards
f := model.NewFlow(b.block, winner, dst, id)
f.Kind = model.FlowKindBalance
f.Type = model.FlowTypeRollupReward
f.AmountIn = u.Change
flows = append(flows, f)
// credit to winner delegation unless winner is a baker
if wbkr != nil && !winner.IsBaker {
f := model.NewFlow(b.block, wbkr.Account, winner, id)
f.Kind = model.FlowKindDelegation
f.Type = model.FlowTypeRollupPenalty
f.AmountIn = u.Change
flows = append(flows, f)
}
}
}
case "freezer":
if u.Change > 0 {
// deposit from balance to bond
f := model.NewFlow(b.block, src, dst, id)
f.Kind = model.FlowKindBalance
f.Type = model.FlowTypeRollupTransaction
f.AmountOut = u.Change
flows = append(flows, f)
f = model.NewFlow(b.block, src, dst, id)
f.Kind = model.FlowKindBond
f.Type = model.FlowTypeRollupTransaction
f.AmountIn = u.Change
f.IsFrozen = true
flows = append(flows, f)
} else {
// slash or unlock
_, isSlash := rollupPunishTypes[bal[i+1].Category]
if isSlash {
// slash loser
f := model.NewFlow(b.block, loser, dst, id)
f.Kind = model.FlowKindBond
f.Type = model.FlowTypeRollupPenalty
f.AmountOut = -u.Change
f.IsBurned = true
loserBurn += -u.Change
flows = append(flows, f)
} else {
// unlock (move bond back to balance)
f := model.NewFlow(b.block, recv, dst, id)
f.Kind = model.FlowKindBond
f.Type = model.FlowTypeRollupTransaction
f.AmountOut = -u.Change
f.IsUnfrozen = true
flows = append(flows, f)
f = model.NewFlow(b.block, recv, dst, id)
f.Kind = model.FlowKindBalance
f.Type = model.FlowTypeRollupTransaction
f.AmountIn = -u.Change
flows = append(flows, f)
}
}
}
}
// debit from source delegation unless source is a baker
if feespaid+srcBurn > 0 && sbkr != nil && !src.IsBaker {
f := model.NewFlow(b.block, sbkr.Account, src, id)
f.Kind = model.FlowKindDelegation
f.Type = model.FlowTypeRollupTransaction
f.AmountOut = feespaid + srcBurn // fees and amount burned
flows = append(flows, f)
}
// debit from loser delegation unless loser is a baker
if loserBurn > 0 && lbkr != nil && !loser.IsBaker {
f := model.NewFlow(b.block, lbkr.Account, loser, id)
f.Kind = model.FlowKindDelegation
f.Type = model.FlowTypeRollupPenalty
f.AmountOut = loserBurn // amount burned
flows = append(flows, f)
}
// receiver delegation does not change on unlock
b.block.Flows = append(b.block.Flows, flows...)
return flows
}