System Overview
FlowGuard is composed of three layers: on-chain contracts, an off-chain backend (API + indexer + executor), and a frontend app.Contract Dependency Map
NFT Commitment Sizes
| Contract | Commitment Size |
|---|---|
| VaultCovenant | 32 bytes |
| ProposalCovenant | 40 bytes |
| VestingCovenant | 40 bytes |
| RecurringPaymentCovenant | 40 bytes |
| AirdropCovenant | 40 bytes |
| GrantCovenant | 40 bytes |
| BountyCovenant | 40 bytes |
| RewardCovenant | 40 bytes |
| VoteLockCovenant | 32 bytes |
Indexer Data Flow
Executor Flow
Backend Service Map
| Service | Responsibility |
|---|---|
StreamDeploymentService | Deploy VestingCovenant and RecurringPaymentCovenant |
StreamClaimService | Build claim() transactions for vesting |
StreamCancelService | Build cancel() transactions |
StreamFundingService | Fund existing stream UTXOs |
PaymentDeploymentService | Deploy RecurringPaymentCovenant |
PaymentClaimService | Build pay() transactions |
PaymentControlService | Pause, resume, cancel payments |
AirdropDeploymentService | Deploy AirdropCovenant |
AirdropClaimService | Build claim() for airdrop self-service |
AirdropControlService | Authority pause/resume/cancel |
BudgetDeploymentService | Deploy Grant, Bounty, Reward covenants |
BudgetReleaseService | Release milestones, issue rewards, approve bounty claims |
VaultFundingService | Fund vault UTXOs |
VoteDeploymentService | Deploy VoteLockCovenant |
VoteLockService | Lock governance tokens |
VoteUnlockService | Reclaim after unlock time |
ProposalService | Full proposal lifecycle management |
DeploymentRegistryService | Track all covenant deployments |
TransactionMonitor | Confirm and track submitted transactions |
MerkleTreeService | Merkle tree generation for airdrop eligibility |
cycle-unlock-scheduler | Executor loop for recurring payments |