-
Notifications
You must be signed in to change notification settings - Fork 352
/
deposit.go
199 lines (169 loc) · 5.43 KB
/
deposit.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
package types
import (
"fmt"
"strings"
sdk "github.com/cosmos/cosmos-sdk/types"
)
// NewDeposit returns a new deposit
func NewDeposit(depositor sdk.AccAddress, amount sdk.Coins, indexes SupplyInterestFactors) Deposit {
return Deposit{
Depositor: depositor,
Amount: amount,
Index: indexes,
}
}
// NormalizedDeposit is the deposit amounts divided by the interest factors.
//
// Multiplying the normalized deposit by the current global factors gives the current deposit (ie including all interest, ie a synced deposit).
// The normalized deposit is effectively how big the deposit would have been if it had been supplied at time 0 and not touched since.
//
// An error is returned if the deposit is in an invalid state.
func (b Deposit) NormalizedDeposit() (sdk.DecCoins, error) {
normalized := sdk.NewDecCoins()
for _, coin := range b.Amount {
factor, found := b.Index.GetInterestFactor(coin.Denom)
if !found {
return nil, fmt.Errorf("deposited amount '%s' missing interest factor", coin.Denom)
}
if factor.LT(sdk.OneDec()) {
return nil, fmt.Errorf("interest factor '%s' < 1", coin.Denom)
}
normalized = normalized.Add(
sdk.NewDecCoinFromDec(
coin.Denom,
coin.Amount.ToDec().Quo(factor),
),
)
}
return normalized, nil
}
// Validate deposit validation
func (d Deposit) Validate() error {
if d.Depositor.Empty() {
return fmt.Errorf("depositor cannot be empty")
}
if !d.Amount.IsValid() {
return fmt.Errorf("invalid deposit coins: %s", d.Amount)
}
if err := d.Index.Validate(); err != nil {
return err
}
return nil
}
// ToResponse converts Deposit to DepositResponse
func (d Deposit) ToResponse() DepositResponse {
return NewDepositResponse(d.Depositor, d.Amount, d.Index)
}
// Deposits is a slice of Deposit
type Deposits []Deposit
// Validate validates Deposits
func (ds Deposits) Validate() error {
depositDupMap := make(map[string]Deposit)
for _, d := range ds {
if err := d.Validate(); err != nil {
return err
}
dup, ok := depositDupMap[d.Depositor.String()]
if ok {
return fmt.Errorf("duplicate depositor: %s\n%s", d, dup)
}
depositDupMap[d.Depositor.String()] = d
}
return nil
}
// ToResponse converts Deposits to DepositResponses
func (ds Deposits) ToResponse() DepositResponses {
var dResponses DepositResponses
for _, d := range ds {
dResponses = append(dResponses, d.ToResponse())
}
return dResponses
}
// NewDepositResponse returns a new DepositResponse
func NewDepositResponse(depositor sdk.AccAddress, amount sdk.Coins, indexes SupplyInterestFactors) DepositResponse {
return DepositResponse{
Depositor: depositor.String(),
Amount: amount,
Index: indexes.ToResponse(),
}
}
// DepositResponses is a slice of DepositResponse
type DepositResponses []DepositResponse
// NewSupplyInterestFactor returns a new SupplyInterestFactor instance
func NewSupplyInterestFactor(denom string, value sdk.Dec) SupplyInterestFactor {
return SupplyInterestFactor{
Denom: denom,
Value: value,
}
}
// Validate validates SupplyInterestFactor values
func (sif SupplyInterestFactor) Validate() error {
if strings.TrimSpace(sif.Denom) == "" {
return fmt.Errorf("supply interest factor denom cannot be empty")
}
if sif.Value.IsNegative() {
return fmt.Errorf("supply interest factor value cannot be negative: %s", sif)
}
return nil
}
// ToResponse converts SupplyInterestFactor to SupplyInterestFactorResponse
func (sif SupplyInterestFactor) ToResponse() SupplyInterestFactorResponse {
return NewSupplyInterestFactorResponse(sif.Denom, sif.Value)
}
// NewSupplyInterestFactorResponse returns a new SupplyInterestFactorResponse instance
func NewSupplyInterestFactorResponse(denom string, value sdk.Dec) SupplyInterestFactorResponse {
return SupplyInterestFactorResponse{
Denom: denom,
Value: value.String(),
}
}
// SupplyInterestFactors is a slice of SupplyInterestFactor, because Amino won't marshal maps
type SupplyInterestFactors []SupplyInterestFactor
// GetInterestFactor returns a denom's interest factor value
func (sifs SupplyInterestFactors) GetInterestFactor(denom string) (sdk.Dec, bool) {
for _, sif := range sifs {
if sif.Denom == denom {
return sif.Value, true
}
}
return sdk.ZeroDec(), false
}
// SetInterestFactor sets a denom's interest factor value
func (sifs SupplyInterestFactors) SetInterestFactor(denom string, factor sdk.Dec) SupplyInterestFactors {
for i, sif := range sifs {
if sif.Denom == denom {
sif.Value = factor
sifs[i] = sif
return sifs
}
}
return append(sifs, NewSupplyInterestFactor(denom, factor))
}
// RemoveInterestFactor removes a denom's interest factor value
func (sifs SupplyInterestFactors) RemoveInterestFactor(denom string) (SupplyInterestFactors, bool) {
for i, sif := range sifs {
if sif.Denom == denom {
return append(sifs[:i], sifs[i+1:]...), true
}
}
return sifs, false
}
// Validate validates SupplyInterestFactors
func (sifs SupplyInterestFactors) Validate() error {
for _, sif := range sifs {
if err := sif.Validate(); err != nil {
return err
}
}
return nil
}
// ToResponse converts SupplyInterestFactor to SupplyInterestFactorResponses
func (sifs SupplyInterestFactors) ToResponse() SupplyInterestFactorResponses {
var sifResponses SupplyInterestFactorResponses
for _, sif := range sifs {
sifResponses = append(sifResponses, sif.ToResponse())
}
return sifResponses
}
// SupplyInterestFactorResponses is a slice of SupplyInterestFactorResponse
type SupplyInterestFactorResponses []SupplyInterestFactorResponse