From fdb9553997e72055a6cd5afed9c1a98320e3cdfb Mon Sep 17 00:00:00 2001
From: Matthew Little <zone117x@gmail.com>
Date: Thu, 26 Oct 2023 18:10:36 +0200
Subject: [PATCH] feat: types for TenureChange tx

---
 index.ts | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/index.ts b/index.ts
index 1b50c5d..cea46e0 100644
--- a/index.ts
+++ b/index.ts
@@ -21,7 +21,7 @@ export interface DecodedTxResult {
     post_conditions: TxPostCondition[];
     /** Hex string */
     post_conditions_buffer: string;
-    payload: TxPayloadTokenTransfer | TxPayloadSmartContract | TxPayloadContractCall | TxPayloadPoisonMicroblock | TxPayloadCoinbase | TxPayloadCoinbaseToAltRecipient | TxPayloadVersionedSmartContract;
+    payload: TxPayloadTokenTransfer | TxPayloadSmartContract | TxPayloadContractCall | TxPayloadPoisonMicroblock | TxPayloadCoinbase | TxPayloadCoinbaseToAltRecipient | TxPayloadVersionedSmartContract | TxPayloadTenureChange;
 }
 
 export enum PostConditionAssetInfoID {
@@ -195,6 +195,31 @@ export interface TxPayloadVersionedSmartContract {
     code_body: string;
 }
 
+export interface TxPayloadTenureChange {
+  type_id: TxPayloadTypeID.TenureChange;
+  /** (Hex string) Stacks Block hash */
+  previous_tenure_end: string;
+  /** The number of blocks produced in the previous tenure */
+  previous_tenure_blocks: number;
+  /** Cause of change in mining tenure. Depending on cause, tenure can be ended or extended. */
+  cause: TenureChangeCause;
+  /** (Hex string) The ECDSA public key hash of the current tenure */
+  pubkey_hash: string;
+  /** (Hex string) A Schnorr signature from at least 70% of the Stackers */
+  signature: string;
+  /** (Hex string) A bitmap of which Stackers signed */
+  signers: string;
+}
+
+export enum TenureChangeCause {
+  /** A valid winning block-commit */
+  BlockFound = 0,
+  /** No winning block-commits */
+  NoBlockFound = 1,
+  /** A "null miner" won the block-commit */
+  NullMiner = 2,
+}
+
 export enum TxPayloadTypeID {
     TokenTransfer = 0,
     SmartContract = 1,
@@ -203,6 +228,7 @@ export enum TxPayloadTypeID {
     Coinbase = 4,
     CoinbaseToAltRecipient = 5,
     VersionedSmartContract = 6,
+    TenureChange = 7,
 }
 
 export enum PostConditionAuthFlag {