Adds addClaim and getClaim methods to erc725 example.

contracts/erc_725.v.py

@@ -4,19 +4,42 @@
 ExecutionRequested: __log__({executionId: indexed(num256), to: indexed(address), value: indexed(num256), data: bytes <= 4096})
 Executed: __log__({executionId: indexed(num256), to: indexed(address), value: indexed(num256), data: bytes <= 4096})
 
+# Events of the identity holder.
+ClaimRequest: __log__({claimRequestId: indexed(num256), claimType: indexed(num256), issuer: indexed(address), signatureTupe: num256, signature: bytes <= 4096, uri: bytes <= 4096})  # noqa
+ClaimRequested: __log__({claimRequestId: indexed(num256), claimType: indexed(num256), issuer: indexed(address), signatureTupe: num256, signature: bytes <= 4096, uri: bytes <= 4096})  # noqa
+ClaimAdded: __log__({claimId: indexed(num256), issuer: indexed(address), claimType: indexed(num256), signatureTupe: num256, signature: bytes <= 4096, uri: bytes <= 4096})  # noqa
+ClaimRemoved: __log__({claimId: indexed(num256), issuer: indexed(address), claimType: indexed(num256), signatureTupe: num256, signature: bytes <= 4096, uri: bytes <= 4096})  # noqa
+ClaimChanged:__log__({claimId: indexed(num256), issuer: indexed(address), claimType: indexed(num256), signatureTupe: num256, signature: bytes <= 4096, uri: bytes <= 4096})  # noqa
 
 # Key management types
 keys: address[20]
 key_types: num[20]
 key_count: num
 execute_list: {
+    action_type: num,
     to: address,
-    data: bytes <= 8128,
+    data: bytes <= 4096,
     value: num,
     approved: bool
 }[num]
 execute_count: num
 
+# ActionTypes:
+# ClaimRequested == 1
+
+# Claims
+claims: {
+    claimId: bytes32,
+    claimType: num,
+    issuer: address,
+    signatureType: num,
+    signature: bytes <= 4096,
+    data: bytes <= 4096,
+    uri: bytes <= 4096,
+    approved: bool
+}[num]
+claim_count: num
+
 
 def __init__():
     self.keys[0] = msg.sender
@@ -121,15 +144,16 @@ def replaceKey(_oldKey: address, _newKey: address) -> bool:
     return False
 
 
-def execute(_to: address, _value: num(num256), _data: bytes <= 8128) -> num256:
+def execute(_to: address, _value: num(num256), _data: bytes <= 4096) -> num256:
     self.execute_list[self.execute_count] = {
+        action_type: 0,  # defer this from _data ?
         to: _to,
         value: _value,
         data: _data,
         approved: False
     }
 
-    log.ExecutionRequested(as_num256(self.execute_count), _to, as_num256(_value), _data)
+    # log.ExecutionRequested(as_num256(self.execute_count), _to, as_num256(_value), _data)
     self.execute_count += 1
     return as_num256(0)
 
@@ -140,15 +164,77 @@ def approve(executeId: num(num256)) -> bool:
         return False
 
     e = self.execute_list[executeId]
-    e.approved = True
-    # execute action.
 
+    if e.action_type == 1:  # Is a claim, move to claims array.
+        self.claims[bytes_to_num(slice(e.data, start=0, len=32))].approved = True
+        e.approved = True
+    else:
+        return False  # Unsupported claimType, can't excute it.
+
+    # execute action.
+    # raw call etc.
     # log.Approved(executionId, e._to, e._value, e._data)
 
     return True
 
-# function execute(address _to, uint256 _value, bytes _data) returns (uint256 executionId)
-# function approve(uint256 _id, bool _approve) returns (bool success)
 
-# ({executionId: indexed(num256), to: indexed(address), value: indexed(num256), data: bytes <= 4096}
-# {executionId: indexed(num256), to: indexed(address), value: indexed(num256), data: bytes <= 4096}
+def addClaim(_claimType: num(num256), issuer: address, signatureType: num(num256),
+             _signature: bytes <= 4096, _data: bytes <= 4096, _uri: bytes <= 4096) -> bytes32:
+
+    assert signatureType == 1  # supported signature types.
+    assert issuer == msg.sender
+
+    claim_data = concat(as_bytes32(self), as_bytes32(_claimType), _data)
+    claim_hash = sha3(claim_data)
+    claimId = sha3(concat(as_bytes32(issuer), as_bytes32(_claimType)))
+
+    self.claims[self.claim_count] = {
+        claimId: claimId,
+        claimType: _claimType,
+        issuer: issuer,
+        signatureType: signatureType,
+        signature: _signature,
+        data: _data,
+        uri: _uri,
+        approved: False
+    }
+
+    self.execute_list[self.execute_count] = {
+        action_type: 1,  # for now execType == 1, means claim action
+        to: self,
+        value: 0,
+        data: concat(as_bytes32(self.claim_count), ""),
+        approved: False
+    }
+
+    self.claim_count += 1
+    self.execute_count += 1
+
+    return claimId
+
+
+def getClaim(_claimId: bytes32) -> (num256, address, num256, bytes <= 4096, bytes <= 4096, bytes <= 4096):
+
+    for i in range(0, 20):
+        if i >= self.claim_count:
+            break
+
+        if _claimId == self.claims[i].claimId and self.claims[i].approved:
+            claim = self.claims[i]
+            return claim.claimType, claim.issuer, claim.signatureType, claim.signature, claim.data, claim.uri
+
+
+def getClaimIdsByType(_claimType: num(num256)) -> bytes32[20]:
+
+    outarr: bytes32[20]
+
+    j = 0
+    for i in range(0, 20):
+        if i >= self.claim_count:
+            break
+
+        if self.claims[i].claimType == _claimType and self.claims[i].approved:
+            outarr[j] = self.claims[i].claimId
+            j += 1
+
+    return outarr