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[#473] Implement EigenTrust calculations

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Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2021-04-10 15:02:51 +03:00 • committed by Alex Vanin
parent 0ec8bcf6b4
commit a97e08cfd7
14 changed files with 1112 additions and 3 deletions
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26
pkg/services/reputation/trust.go
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@ -7,8 +7,13 @@ import (
// TrustValue represents the numeric value of the node's trust.
type TrustValue float64
// TrustOne is a trust value equal to one.
const TrustOne = TrustValue(1)
const (
// TrustOne is a trust value equal to one.
TrustOne = TrustValue(1)
// TrustZero is a trust value equal to zero.
TrustZero = TrustValue(0)
)
// TrustValueFromFloat64 converts float64 to TrustValue.
func TrustValueFromFloat64(v float64) TrustValue {
@ -39,6 +44,11 @@ func (v TrustValue) Div(v2 TrustValue) TrustValue {
return v / v2
}
// Mul multiplies v by v2.
func (v *TrustValue) Mul(v2 TrustValue) {
*v *= v2
}
// IsZero returns true if v equal to zero.
func (v TrustValue) IsZero() bool {
return v == 0
@ -46,7 +56,7 @@ func (v TrustValue) IsZero() bool {
// Trust represents peer's trust (reputation).
type Trust struct {
peer PeerID
trusting, peer PeerID
val TrustValue
}
@ -78,3 +88,13 @@ func (t Trust) Peer() PeerID {
func (t *Trust) SetPeer(id PeerID) {
t.peer = id
}
// TrustingPeer returns trusting peer ID.
func (t Trust) TrustingPeer() PeerID {
return t.trusting
}
// SetTrustingPeer sets trusting peer ID.
func (t *Trust) SetTrustingPeer(id PeerID) {
t.trusting = id
}