Allow delegation strategy to accept space name from strategy params (s…

…napshot-labs#336)

src/strategies/delegation/README.md

@@ -1,9 +1,13 @@
 # delegation
 
-If you want to delegate your voting power to another wallet address, you can do this using the “delegation strategy”. In delegation strategy, if A delegates to B and both of them vote, then the delegated voting power is not calculated. Only the vote of A will be calculated. The vote of B will be counted if A does not vote. 
+If you want to delegate your voting power to another wallet address, you can do this using the “delegation strategy”. In delegation strategy, if A delegates to B and both of them vote, then the delegated voting power is not calculated. Only the vote of A will be calculated. The vote of B will be counted if A does not vote.
 
 In delegation strategy, the sub strategies defined in params are used to delegate vote from one address to another.
 
+| Param Name      | Description |
+| ----------- | ----------- |
+| strategies      | list of sub strategies to calculate voting power based on delegation      |
+| delegationSpace (optional)   | Get delegations of a particular space (by default it take delegations of current space)  |
 
 Here is an example of parameters:
 
@@ -30,4 +34,4 @@ Here is an example of parameters:
   ]
 }
 
-```
+```

src/strategies/delegation/index.ts

@@ -12,7 +12,8 @@ export async function strategy(
   options,
   snapshot
 ) {
-  const delegations = await getDelegations(space, network, addresses, snapshot);
+  const delegationSpace = options.delegationSpace || space;
+  const delegations = await getDelegations(delegationSpace, network, addresses, snapshot);
   if (Object.keys(delegations).length === 0) return {};
 
   const scores = (