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-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/IAssetProxy.sol20
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC20Proxy.sol50
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC721Proxy.sol50
3 files changed, 111 insertions, 9 deletions
diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/IAssetProxy.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/IAssetProxy.sol
index 43f45d200..df993a0ab 100644
--- a/packages/contracts/src/contracts/current/protocol/AssetProxy/IAssetProxy.sol
+++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/IAssetProxy.sol
@@ -17,6 +17,7 @@
*/
pragma solidity ^0.4.21;
+pragma experimental ABIEncoderV2;
import "../../utils/Authorizable/IAuthorizable.sol";
@@ -24,9 +25,9 @@ contract IAssetProxy is IAuthorizable {
/// @dev Transfers assets. Either succeeds or throws.
/// @param assetMetadata Byte array encoded for the respective asset proxy.
- /// @param from Address to transfer token from.
- /// @param to Address to transfer token to.
- /// @param amount Amount of token to transfer.
+ /// @param from Address to transfer asset from.
+ /// @param to Address to transfer asset to.
+ /// @param amount Amount of asset to transfer.
function transferFrom(
bytes assetMetadata,
address from,
@@ -34,6 +35,18 @@ contract IAssetProxy is IAuthorizable {
uint256 amount)
external;
+ /// @dev Makes multiple transfers of assets. Either succeeds or throws.
+ /// @param assetMetadata Array of byte arrays encoded for the respective asset proxy.
+ /// @param from Array of addresses to transfer assets from.
+ /// @param to Array of addresses to transfer assets to.
+ /// @param amounts Array of amounts of assets to transfer.
+ function batchTransferFrom(
+ bytes[] memory assetMetadata,
+ address[] memory from,
+ address[] memory to,
+ uint256[] memory amounts)
+ public;
+
/// @dev Gets the proxy id associated with the proxy address.
/// @return Proxy id.
function getProxyId()
@@ -41,3 +54,4 @@ contract IAssetProxy is IAuthorizable {
view
returns (uint8);
}
+
diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC20Proxy.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC20Proxy.sol
index c3cfd8c2e..d3cc0e804 100644
--- a/packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC20Proxy.sol
+++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC20Proxy.sol
@@ -17,6 +17,7 @@
*/
pragma solidity ^0.4.21;
+pragma experimental ABIEncoderV2;
import "../IAssetProxy.sol";
import "../../../utils/LibBytes/LibBytes.sol";
@@ -33,9 +34,9 @@ contract ERC20Proxy is
/// @dev Transfers ERC20 tokens. Either succeeds or throws.
/// @param assetMetadata ERC20-encoded byte array.
- /// @param from Address to transfer token from.
- /// @param to Address to transfer token to.
- /// @param amount Amount of token to transfer.
+ /// @param from Address to transfer asset from.
+ /// @param to Address to transfer asset to.
+ /// @param amount Amount of asset to transfer.
function transferFrom(
bytes assetMetadata,
address from,
@@ -44,6 +45,49 @@ contract ERC20Proxy is
external
onlyAuthorized
{
+ transferFromInternal(
+ assetMetadata,
+ from,
+ to,
+ amount
+ );
+ }
+
+ /// @dev Makes multiple transfers of assets. Either succeeds or throws.
+ /// @param assetMetadata Array of byte arrays encoded for the respective asset proxy.
+ /// @param from Array of addresses to transfer assets from.
+ /// @param to Array of addresses to transfer assets to.
+ /// @param amounts Array of amounts of assets to transfer.
+ function batchTransferFrom(
+ bytes[] memory assetMetadata,
+ address[] memory from,
+ address[] memory to,
+ uint256[] memory amounts)
+ public
+ onlyAuthorized
+ {
+ for (uint256 i = 0; i < assetMetadata.length; i++) {
+ transferFromInternal(
+ assetMetadata[i],
+ from[i],
+ to[i],
+ amounts[i]
+ );
+ }
+ }
+
+ /// @dev Internal version of `transferFrom`.
+ /// @param assetMetadata ERC20-encoded byte array.
+ /// @param from Address to transfer asset from.
+ /// @param to Address to transfer asset to.
+ /// @param amount Amount of asset to transfer.
+ function transferFromInternal(
+ bytes memory assetMetadata,
+ address from,
+ address to,
+ uint256 amount)
+ internal
+ {
// Data must be intended for this proxy.
require(uint8(assetMetadata[0]) == PROXY_ID);
diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC721Proxy.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC721Proxy.sol
index e11de6744..f0fac0259 100644
--- a/packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC721Proxy.sol
+++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC721Proxy.sol
@@ -17,6 +17,7 @@
*/
pragma solidity ^0.4.21;
+pragma experimental ABIEncoderV2;
import "../IAssetProxy.sol";
import "../../../utils/LibBytes/LibBytes.sol";
@@ -33,9 +34,9 @@ contract ERC721Proxy is
/// @dev Transfers ERC721 tokens. Either succeeds or throws.
/// @param assetMetadata ERC721-encoded byte array
- /// @param from Address to transfer token from.
- /// @param to Address to transfer token to.
- /// @param amount Amount of token to transfer.
+ /// @param from Address to transfer asset from.
+ /// @param to Address to transfer asset to.
+ /// @param amount Amount of asset to transfer.
function transferFrom(
bytes assetMetadata,
address from,
@@ -44,6 +45,49 @@ contract ERC721Proxy is
external
onlyAuthorized
{
+ transferFromInternal(
+ assetMetadata,
+ from,
+ to,
+ amount
+ );
+ }
+
+ /// @dev Makes multiple transfers of assets. Either succeeds or throws.
+ /// @param assetMetadata Array of byte arrays encoded for the respective asset proxy.
+ /// @param from Array of addresses to transfer assets from.
+ /// @param to Array of addresses to transfer assets to.
+ /// @param amounts Array of amounts of assets to transfer.
+ function batchTransferFrom(
+ bytes[] memory assetMetadata,
+ address[] memory from,
+ address[] memory to,
+ uint256[] memory amounts)
+ public
+ onlyAuthorized
+ {
+ for (uint256 i = 0; i < assetMetadata.length; i++) {
+ transferFromInternal(
+ assetMetadata[i],
+ from[i],
+ to[i],
+ amounts[i]
+ );
+ }
+ }
+
+ /// @dev Internal version of `transferFrom`.
+ /// @param assetMetadata ERC20-encoded byte array.
+ /// @param from Address to transfer asset from.
+ /// @param to Address to transfer asset to.
+ /// @param amount Amount of asset to transfer.
+ function transferFromInternal(
+ bytes memory assetMetadata,
+ address from,
+ address to,
+ uint256 amount)
+ internal
+ {
// Data must be intended for this proxy.
require(uint8(assetMetadata[0]) == PROXY_ID);