package reputation import ( "strconv" "github.com/nspcc-dev/neofs-sdk-go/reputation" ) // TrustValue represents the numeric value of the node's trust. type TrustValue float64 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 { return TrustValue(v) } // TrustValueFromInt converts int to TrustValue. func TrustValueFromInt(v int) TrustValue { return TrustValue(v) } func (v TrustValue) String() string { return strconv.FormatFloat(float64(v), 'f', -1, 64) } // Float64 converts TrustValue to float64. func (v TrustValue) Float64() float64 { return float64(v) } // Add adds v2 to v. func (v *TrustValue) Add(v2 TrustValue) { *v = *v + v2 } // Div returns the result of dividing v by v2. 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 } // Trust represents peer's trust (reputation). type Trust struct { trusting, peer reputation.PeerID val TrustValue } // TrustHandler describes the signature of the reputation.Trust // value handling function. // // Termination of processing without failures is usually signaled // with a zero error, while a specific value may describe the reason // for failure. type TrustHandler func(Trust) error // Value returns peer's trust value. func (t Trust) Value() TrustValue { return t.val } // SetValue sets peer's trust value. func (t *Trust) SetValue(val TrustValue) { t.val = val } // Peer returns trusted peer ID. func (t Trust) Peer() reputation.PeerID { return t.peer } // SetPeer sets trusted peer ID. func (t *Trust) SetPeer(id reputation.PeerID) { t.peer = id } // TrustingPeer returns trusting peer ID. func (t Trust) TrustingPeer() reputation.PeerID { return t.trusting } // SetTrustingPeer sets trusting peer ID. func (t *Trust) SetTrustingPeer(id reputation.PeerID) { t.trusting = id }