peoplecoin

 1// Package params holds the protocol constants, mirroring the "Constants"
 2// section of the specification. Everything else derives from these.
 3package params
 4
 5const (
 6	// TOKEN is one token in base units (8 decimals).
 7	TOKEN uint64 = 100_000_000
 8
 9	// SlotsPerPeriod is four weeks in one-minute slots.
10	SlotsPerPeriod uint64 = 40320
11	SlotSeconds    uint64 = 60
12	PeriodSeconds  uint64 = SlotsPerPeriod * SlotSeconds // 2 419 200
13	SlotsPerPhase  uint64 = 10080                        // one week
14	NumPhases      uint64 = 4
15
16	// Demurrage: coins retain 0.983 of their value per period (~20%/year).
17	// DecayShift is the fixed-point width and Decay0 the per-slot factor,
18	// floor(2^63 × 0.983^(1/SlotsPerPeriod)). The squaring chain built from
19	// Decay0 (see package coin) is the definition of the curve.
20	DecayShift uint   = 63
21	Decay0     uint64 = 9223368114598617273
22
23	// UBIPerPeriod equals the demurrage on one token over one period:
24	// TOKEN × 1.7%.
25	UBIPerPeriod uint64 = 1_700_000
26
27	// RentShift: rent = 1 base unit per 1 024 slots (~39 per period).
28	RentShift uint = 10
29
30	MaxMixes   uint32 = 32 // cap on a token's mix_count
31	MaxOwners  int    = 8  // max owners per coin UTXO
32	InviteCost int    = 3  // invite tokens per new registration
33
34	// MaxBlockSize is a matter of consensus outside this library (e.g. 1 GB).
35)
36
37// Token types in the token trie.
38const (
39	TokenElection     uint8 = 0x00
40	TokenRegistration uint8 = 0x01
41	TokenInvite       uint8 = 0x02
42)
43
44// Operation codes.
45const (
46	OpTransfer uint8 = 0x00
47	OpMix      uint8 = 0x01
48	OpVote     uint8 = 0x02
49	OpRegister uint8 = 0x03
50	OpVerify   uint8 = 0x04
51	OpVerified uint8 = 0x05
52	OpCommit   uint8 = 0x06
53	OpReveal   uint8 = 0x07
54	OpPrune    uint8 = 0xFF
55)