feat: Conway genesis config (#723)

Fixes #718

ledger/conway/genesis.go

@@ -0,0 +1,66 @@
+// Copyright 2024 Blink Labs Software
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package conway
+
+type ConwayGenesis struct {
+	PoolVotingThresholds       ConwayGenesisPoolVotingThresholds
+	DRepVotingThresholds       ConwayGenesisDRepVotingThresholds
+	MinCommitteeSize           uint   `json:"committeeMinSize"`
+	CommitteeTermLimit         uint64 `json:"committeeMaxTermLength"`
+	GovActionValidityPeriod    uint64 `json:"govActionLifetime"`
+	GovActionDeposit           uint64
+	DRepDeposit                uint64 `json:"dRepDeposit"`
+	DRepInactivityPeriod       uint64 `json:"dRepActivity"`
+	MinFeeRefScriptCostPerByte float32
+	PlutusV3CostModel          []int `json:"plutusV3CostModel"`
+	Constitution               ConwayGenesisConstitution
+	Committee                  ConwayGenesisCommittee
+}
+
+type ConwayGenesisPoolVotingThresholds struct {
+	CommitteeNormal       float32
+	CommitteeNoConfidence float32
+	HardForkInitiation    float32
+	MotionNoConfidence    float32
+	PpSecurityGroup       float32
+}
+
+type ConwayGenesisDRepVotingThresholds struct {
+	MotionNoConfidence    float32
+	CommitteeNormal       float32
+	CommitteeNoConfidence float32
+	UpdateToConstitution  float32
+	HardForkInitiation    float32
+	PpNetworkGroup        float32
+	PpEconomicGroup       float32
+	PpTechnicalGroup      float32
+	PpGovGroup            float32
+	TreasuryWithdrawal    float32
+}
+
+type ConwayGenesisConstitution struct {
+	Anchor ConwayGenesisConstitutionAnchor
+	Script string
+}
+
+type ConwayGenesisConstitutionAnchor struct {
+	DataHash string
+	Url      string
+}
+
+type ConwayGenesisCommittee struct {
+	Members   map[string]int
+	Threshold map[string]int
+}