7e7393e4f8
DChain single-node blockchain + React Native messenger client. Core: - PBFT consensus with multi-sig validator admission + equivocation slashing - BadgerDB + schema migration scaffold (CurrentSchemaVersion=0) - libp2p gossipsub (tx/v1, blocks/v1, relay/v1, version/v1) - Native Go contracts (username_registry) alongside WASM (wazero) - WebSocket gateway with topic-based fanout + Ed25519-nonce auth - Relay mailbox with NaCl envelope encryption (X25519 + Ed25519) - Prometheus /metrics, per-IP rate limit, body-size cap Deployment: - Single-node compose (deploy/single/) with Caddy TLS + optional Prometheus - 3-node dev compose (docker-compose.yml) with mocked internet topology - 3-validator prod compose (deploy/prod/) for federation - Auto-update from Gitea via /api/update-check + systemd timer - Build-time version injection (ldflags → node --version) - UI / Swagger toggle flags (DCHAIN_DISABLE_UI, DCHAIN_DISABLE_SWAGGER) Client (client-app/): - Expo / React Native / NativeWind - E2E NaCl encryption, typing indicator, contact requests - Auto-discovery of canonical contracts, chain_id aware, WS reconnect on node switch Documentation: - README.md, CHANGELOG.md, CONTEXT.md - deploy/single/README.md with 6 operator scenarios - deploy/UPDATE_STRATEGY.md with 4-layer forward-compat design - docs/contracts/*.md per contract
72 lines
2.0 KiB
Go
72 lines
2.0 KiB
Go
// Package economy contains helpers for computing and formatting token rewards.
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package economy
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import (
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"fmt"
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"go-blockchain/blockchain"
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)
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// BlockFeeBreakdown describes the fee income for a committed block validator.
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// There is no minting — validators earn only the fees paid by transactions.
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type BlockFeeBreakdown struct {
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ValidatorPubKey string
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BlockIndex uint64
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TxFees uint64 // sum of all transaction fees in the block
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IsGenesis bool // true for block 0 (genesis allocation, not fees)
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GenesisAmount uint64
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}
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// ComputeBlockReward calculates the fee income for a committed block.
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func ComputeBlockReward(b *blockchain.Block) BlockFeeBreakdown {
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d := BlockFeeBreakdown{
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ValidatorPubKey: b.Validator,
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BlockIndex: b.Index,
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TxFees: b.TotalFees,
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}
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if b.Index == 0 {
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d.IsGenesis = true
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d.GenesisAmount = blockchain.GenesisAllocation
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}
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return d
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}
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// Total returns how much the validator actually receives for this block.
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func (d BlockFeeBreakdown) Total() uint64 {
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if d.IsGenesis {
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return d.GenesisAmount
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}
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return d.TxFees
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}
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// Summary prints a human-readable reward summary.
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func (d BlockFeeBreakdown) Summary() string {
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if d.IsGenesis {
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return fmt.Sprintf(
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"Block #0 (genesis): validator %s...%s receives genesis allocation %s",
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d.ValidatorPubKey[:8], d.ValidatorPubKey[len(d.ValidatorPubKey)-4:],
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FormatTokens(d.GenesisAmount),
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)
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}
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if d.TxFees == 0 {
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return fmt.Sprintf(
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"Block #%d committed: validator %s...%s — no fees",
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d.BlockIndex,
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d.ValidatorPubKey[:8], d.ValidatorPubKey[len(d.ValidatorPubKey)-4:],
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)
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}
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return fmt.Sprintf(
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"Block #%d committed: validator %s...%s earns %s in fees",
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d.BlockIndex,
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d.ValidatorPubKey[:8], d.ValidatorPubKey[len(d.ValidatorPubKey)-4:],
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FormatTokens(d.TxFees),
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)
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}
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// FormatTokens converts micro-tokens to a human-readable string.
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func FormatTokens(microTokens uint64) string {
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whole := microTokens / blockchain.Token
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frac := microTokens % blockchain.Token
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return fmt.Sprintf("%d.%06d T", whole, frac)
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}
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