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This repo contains the prototype for Jur's Open Layer dispute resolution method

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JUR Protocol

Specification

See JUR Protocol Specification

Events

Events can be monitored via the web3 API to allow the dApp to react to changes within the smart contract(s).

Supported events are:

Arbitration.sol:  event StateChange(State _oldState, State _newState, uint256 _timestamp);
Arbitration.sol:  event ContractCreated(address indexed _party1, address indexed _party2, uint256[] _dispersal, uint256[] _funding, bytes32 _agreementHash);
Arbitration.sol:  event ContractSigned(address indexed _party, uint256 _funding);
Arbitration.sol:  event ContractUnsigned(address indexed _party, uint256 _funding);
Arbitration.sol:  event ContractAgreed(address indexed _party);
Arbitration.sol:  event ContractUnagreed(address indexed _party);
Arbitration.sol:  event ContractAmendmentProposed(address indexed _party, uint256[] _dispersal, uint256[] _funding, bytes32 _agreementHash);
Arbitration.sol:  event ContractAmendmentAgreed(address indexed _party);
Arbitration.sol:  event ContractAmendmentUnagreed(address indexed _party);
Arbitration.sol:  event ContractWithdrawn(address indexed _party, uint256 _dispersal);
Arbitration.sol:  event ContractDisputed(address indexed _party, uint256[] _dispersal);
Arbitration.sol:  event ContractDisputeDispersalAmended(address indexed _party, uint256[] _dispersal);
Arbitration.sol:  event DisputeEndsAdjusted(uint256 _oldDisputeEnds, uint256 _newDisputeEnds);
Arbitration.sol:  event VoteCast(address indexed _voter, address indexed _party, uint256 _amount);
Arbitration.sol:  event VoterPayout(address indexed _voter, uint256 _stakedAmount, uint256 _rewardAmount);
Arbitration.sol:  event PartyPayout(address indexed _party, uint256 _dispersalAmount);
ArbitrationFactory.sol:  event ArbitrationCreated(address indexed _creator, address _arbitration, address indexed _party1, address indexed _party2, uint256[] _dispersal, uint256[] _funding, bytes32 _agreementHash);

Dependencies

  1. This repo uses truffle, node and npm:
    https://nodejs.org/en/ (v8.4.0)
    http://truffle.readthedocs.io/en/beta/getting_started/installation/ https://github.com/trufflesuite/ganache-cli

  2. Run npm install in the repo root directory.

Compilation

To compile the contracts to bytecode, you can execute:
truffle compile

This will display some warnings due to OpenZeppelin library files which can be ignored.

Running Test Network

To run a test network, in a separate terminal execute:
ganache-cli --gasLimit 7000000

Deployment

The deployment is configured in migrations/2_deploy_contracts.js.

Settings in the migrations file and truffle.js should also be reviewed / modified before mainnet release.

To deploy, you can execute:
truffle migrate --reset

which should output something similar to:

Using network 'development'.

Running migration: 2_deploy_contracts.js
  Deploying JURToken...
  ... 0xff2c945eb1e2ca59de9e7b18a516fd3d130dd1b837152d9f5e5d84dae32fca43
  JURToken: 0x2ef6dc25b5dd451221fca2f1d87048d6f0cb0cd3
  Deploying ArbitrationFactory...
  ... 0x12cbb2cf8864cce9c6b358722b823fd5f699aee3bce5371ffea194f9aae9f905
  ArbitrationFactory: 0x159247d9d7571bcb174c78e9d619b0dbbafd7b50
Saving successful migration to network...
  ... 0x155f86784aaa062932832859c04cf475605d732bbde235f7749472d28d0f8db5
Saving artifacts...

Testing

Comprehensive test cases have been added for all contracts.

To test, you can execute:
truffle test

which should output:

Using network 'development'.

  Contract: Arbitration - no dispute
JUR Token Address:  0x1f37801d4db18b6a4cb6a65eced53ccb63ab764e
Arbitration Factory Address:  0xe254a552ddf1d3cd5db6a1a69a8d7626402e4271
    ✓ 0. initialize token contract and arbitration factory contract (537ms)
Arbitration Address: 0x3804475d74a3b5261b34d3c8f31af30055058466
    ✓ 1. create new arbitration - state is unsigned (304ms)
    ✓ 2. approve arbitration for transfers (147ms)
    ✓ 3. only parties can sign arbitration (114ms)
    ✓ 4. party1 signs arbitration (134ms)
    ✓ 5. party1 unsigns arbitration (60ms)
    ✓ 6. party1 resigns arbitration (115ms)
    ✓ 7. party2 signs arbitration - state is now Signed (116ms)
    ✓ 8. only parties can agree arbitration
    ✓ 9. party2 agrees arbitration (86ms)
    ✓ 10. party1 agrees arbitration - state is now Agreed (83ms)
    ✓ 11. only parties can withdraw dispersals
    ✓ 12. party1 withdraws dispersal (zero tokens) (111ms)
    ✓ 13. party2 withdraws dispersal (150 tokens) - state is now Closed (130ms)

  Contract: Arbitration - Amendment with no dispute
JUR Token Address:  0x1f37801d4db18b6a4cb6a65eced53ccb63ab764e
Arbitration Factory Address:  0xe254a552ddf1d3cd5db6a1a69a8d7626402e4271
    ✓ 0. initialize token contract and arbitration factory contract (399ms)
Arbitration Address: 0x3804475d74a3b5261b34d3c8f31af30055058466
    ✓ 1. create new arbitration - state is unsigned (352ms)
    ✓ 2. approve arbitration for transfers (133ms)
    ✓ 3. only parties can sign arbitration (124ms)
    ✓ 4. party1 signs arbitration (87ms)
    ✓ 5. party1 unsigns arbitration (72ms)
    ✓ 6. party1 resigns arbitration (174ms)
    ✓ 7. party2 signs arbitration - state is now Signed (156ms)
    ✓ 8. party2 proposes amendment (130ms)
    ✓ 9. party1 agrees amendment (271ms)
    ✓ 10. party1 proposes amendment without authorising additional funding - fail (78ms)
    ✓ 11. party1 proposes amendment with authorised additional amendedFunding (247ms)
    ✓ 12. party2 agrees amendment (246ms)
    ✓ 13. party1 proposes amendment (257ms)
    ✓ 14. party1 unagrees amendment (137ms)
    ✓ 15. party1 agrees arbitration (99ms)
    ✓ 16. party2 agrees arbitration - state is now Agreed (88ms)
    ✓ 17. party1 withdraws dispersal (zero tokens) (112ms)
    ✓ 18. party2 withdraws dispersal (180 tokens) - state is now Closed (165ms)

  Contract: Arbitration - Refunded Amendment
JUR Token Address:  0x526dd75f0645fb6c071656b92c13e169214fe124
Arbitration Factory Address:  0x8fc1b1def5f7fef63e9bb4b33ac77b02b76a4a6f
    ✓ 0. initialize token contract and arbitration factory contract (366ms)
Arbitration Address: 0x794d28d7ae66a334ec589dd8dc25de9d8a43b412
    ✓ 1. create new arbitration - state is unsigned (166ms)
    ✓ 2. approve arbitration for transfers (120ms)
    ✓ 3. only parties can sign arbitration
    ✓ 4. party1 signs arbitration (60ms)
    ✓ 5. party1 unsigns arbitration (45ms)
    ✓ 6. party1 resigns arbitration (91ms)
    ✓ 7. party2 signs arbitration - state is now Signed (85ms)
    ✓ 8. party2 proposes amendment (74ms)
    ✓ 9. party1 agrees amendment (262ms)
    ✓ 10. party1 proposes amendment without authorising additional funding - fail (73ms)
    ✓ 11. party1 proposes amendment with authorised additional amendedFunding (234ms)
    ✓ 15. party1 agrees arbitration - party1 is refunded amendement funds (122ms)
    ✓ 16. party2 agrees arbitration - state is now Agreed (73ms)
    ✓ 17. party1 withdraws dispersal (twenty tokens) (101ms)
    ✓ 18. party2 withdraws dispersal (80 tokens) - state is now Closed (156ms)

  Contract: Arbitration - Tied dispute
JUR Token Address:  0x1f37801d4db18b6a4cb6a65eced53ccb63ab764e
Arbitration Factory Address:  0x738f23b326d12610a6374de0a12e3f5ce6b9eeca
    ✓ 0. initialize token contract and arbitration factory contract (545ms)
Arbitration Address: 0x4cd198d5d2c81a00fe1960fd6b8137fc39e7613a
    ✓ 1. create new arbitration - state is unsigned (296ms)
    ✓ 2. approve arbitration for transfers (260ms)
    ✓ 3. only parties can sign arbitration
    ✓ 4. party1 signs arbitration (91ms)
    ✓ 5. party2 signs arbitration - state is now Signed (117ms)
    ✓ 6. party1 disputes arbitration with sufficient vote (338ms)
    ✓ 7. party2 sets their dispute dispersal (226ms)
    ✓ 8. unable to change dispute dispersal after DISPUTE_DISPERSAL_DURATION (112ms)
    ✓ 9. start voting resulting in a tie (405ms)
    ✓ 10. vote is extended due to a tie (113ms)
    ✓ 11. additional votes placed (under 5%) (226ms)
    ✓ 12. dispute ends, no more voting possible (119ms)
    ✓ 13. voters receive rewards (508ms)
    ✓ 14. parties receive payouts (572ms)

  Contract: Arbitration - Tied dispute
JUR Token Address:  0x1f37801d4db18b6a4cb6a65eced53ccb63ab764e
Arbitration Factory Address:  0x738f23b326d12610a6374de0a12e3f5ce6b9eeca
    ✓ 0. initialize token contract and arbitration factory contract (519ms)
Arbitration Address: 0x4cd198d5d2c81a00fe1960fd6b8137fc39e7613a
    ✓ 1. create new arbitration - state is unsigned (268ms)
    ✓ 2. approve arbitration for transfers (257ms)
    ✓ 3. only parties can sign arbitration (47ms)
    ✓ 4. party1 signs arbitration (101ms)
    ✓ 5. party2 signs arbitration - state is now Signed (121ms)
    ✓ 6. party1 disputes arbitration with sufficient vote (464ms)
    ✓ 7. party2 sets their dispute dispersal (219ms)
    ✓ 8. unable to change dispute dispersal after DISPUTE_DISPERSAL_DURATION (105ms)
    ✓ 9. start voting (440ms)
    ✓ 10. vote is extended due to lots of votes during last 30 minutes (402ms)
    ✓ 11. unable to payout voters due to extended window (59ms)
    ✓ 12. able to vote during extended window (223ms)
    ✓ 13. voters receive rewards (693ms)
    ✓ 14. parties receive payouts (600ms)

  Contract: Arbitration - Approve and call
JUR Token Address:  0x1f37801d4db18b6a4cb6a65eced53ccb63ab764e
Arbitration Factory Address:  0x738f23b326d12610a6374de0a12e3f5ce6b9eeca
    ✓ 0. initialize token contract and arbitration factory contract (739ms)
Arbitration Address: 0x4cd198d5d2c81a00fe1960fd6b8137fc39e7613a
    ✓ 1. create new arbitration - state is unsigned (266ms)
    ✓ 2. only parties can sign arbitration (85ms)
    ✓ 3. must send first argument as your own address (60ms)
    ✓ 4. party1 signs arbitration (129ms)
    ✓ 5. party2 signs arbitration - state is now Signed (145ms)
    ✓ 6. party1 disputes arbitration with sufficient vote (397ms)
    ✓ 7. party2 sets their dispute dispersal (202ms)
    ✓ 8. unable to change dispute dispersal after DISPUTE_DISPERSAL_DURATION (94ms)
    ✓ 9. start voting (589ms)
    ✓ 10. unable to vote if ratio between new winner and second best is more than 2 (58ms)
    ✓ 11. dispute ends, no more voting possible (125ms)
    ✓ 12. voters receive rewards (502ms)
    ✓ 13. parties receive payouts (526ms)

  Contract: Arbitration - Reject dispute
JUR Token Address:  0x1f37801d4db18b6a4cb6a65eced53ccb63ab764e
Arbitration Factory Address:  0x738f23b326d12610a6374de0a12e3f5ce6b9eeca
    ✓ 0. initialize token contract and arbitration factory contract (524ms)
Arbitration Address: 0x4cd198d5d2c81a00fe1960fd6b8137fc39e7613a
    ✓ 1. create new arbitration - state is unsigned (257ms)
    ✓ 2. approve arbitration for transfers (300ms)
    ✓ 3. only parties can sign arbitration (47ms)
    ✓ 4. party1 signs arbitration (208ms)
    ✓ 5. party2 signs arbitration - state is now Signed (138ms)
    ✓ 6. party1 disputes arbitration with sufficient vote (367ms)
    ✓ 7. party2 sets their dispute dispersal (213ms)
    ✓ 8. unable to change dispute dispersal after DISPUTE_DISPERSAL_DURATION (114ms)
    ✓ 9. start voting - reject option wins (471ms)
    ✓ 10. unable to vote if ratio between new winner and second best is more than 2 (76ms)
    ✓ 11. dispute ends, no more voting possible (117ms)
    ✓ 12. voters receive rewards (499ms)
    ✓ 13. parties receive payouts (493ms)

  Contract: Arbitration - Simple dispute
JUR Token Address:  0x1f37801d4db18b6a4cb6a65eced53ccb63ab764e
Arbitration Factory Address:  0x738f23b326d12610a6374de0a12e3f5ce6b9eeca
    ✓ 0. initialize token contract and arbitration factory contract (631ms)
Arbitration Address: 0x4cd198d5d2c81a00fe1960fd6b8137fc39e7613a
    ✓ 1. create new arbitration - state is unsigned (314ms)
    ✓ 2. approve arbitration for transfers (309ms)
    ✓ 3. only parties can sign arbitration (65ms)
    ✓ 4. party1 signs arbitration (124ms)
    ✓ 5. party2 signs arbitration - state is now Signed (141ms)
    ✓ 6. party1 disputes arbitration with insufficient vote - fail (208ms)
    ✓ 7. party1 disputes arbitration with sufficient vote (352ms)
    ✓ 8. party2 sets their dispute dispersal (238ms)
    ✓ 9. unable to change dispute dispersal after DISPUTE_DISPERSAL_DURATION (221ms)
    ✓ 10. start voting (788ms)
    ✓ 11. unable to vote if ratio between new winner and second best is more than 2 (127ms)
    ✓ 12. dispute ends, no more voting possible (152ms)
    ✓ 13. voters receive rewards (570ms)
    ✓ 14. parties receive payouts (605ms)


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This repo contains the prototype for Jur's Open Layer dispute resolution method

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