feat!: implement DIP-0026 multi-party masternode payouts#7353

Draft

hilawe wants to merge 15 commits into

dashpay:developfrom

hilawe:dip0026-multi-party-payouts

Commits on Jun 9, 2026

DIP-0026 P1: add ProTx v4 (MultiPayout) + DEPLOYMENT_V25 activation gate
hilawe
committed
DIP-0026 P2: PayoutShare data model + version-gated serialization
hilawe
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DIP-0026 P3: carry payout shares in the deterministic MN-list state
hilawe
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DIP-0026 P4: payout-share validation rules + version-transition guards
hilawe
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DIP-0026 P4 review fixes: harden version interactions
hilawe
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DIP-0026 P5: multi-party payloadSig message (MakeSignString)
hilawe
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DIP-0026 P6: split the masternode reward across payout shares
hilawe
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DIP-0026 P6 review fixes: gate the stricter coinbase check behind V25
hilawe
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DIP-0026 P7: multi-party payout RPC parameters
hilawe
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DIP-0026 P8: render multi-party payouts in JSON / SPV filters / RPC
hilawe
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DIP-0026: fix -Wextra warning in update_registrar version inherit
hilawe
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DIP-0026 P9: end-to-end functional test for multi-party payouts
hilawe
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DIP-0026: fail-fast payout-share validation in the RPC + reject-matrix
hilawe
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DIP-0026: accept the multi-payout object as a JSON string (dash-cli)
hilawe
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DIP-0026: add release notes for multi-party payouts
hilawe
committed